10 Best Ring Door Contact Sensor Battery in The UK

Last updated on 06/05/2025

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Tapo D230S1 2K 5MP Battery Video Doorbell Wireless, Security Camera Doorbell, Ring Chime Included, Color Night Vision, Head-to-Toe View, 6-Month Battery, IP64, Cloud &Local Storage, No Monthly Fee

47% OffFree Shipping

Why We Love It

Crystal clear night vision.
Long-lasting battery convenience.
Smart security alerts.

Main Highlights

2K 5MP Live View: Always know what happens in front of your door through the Tapo App With the starlight sensor and 2K 5MP resolution, check all the fine details captured even in low-light environments
6700mAh Long Battery Life: The rechargeable and removable battery with a low-power protocol extends your usage, up to 180 days (for 10 trigger times a day) battery life
Colour Night Vision: With the embedded spotlight and starlight sensor, Tapo D230S1 wireless doorbell with camera reveals high-fidelity details and colour at night
Head-to-Toe View: With the camera’s ultra-wide FOV (160° Diagonal), Tapo 4:3 live view ensures users can check visitors from head-to-toe as close as 1m, which shows more vertical details than other 16:9 video doorbells
Flexible Placement and Views: Different wedge choices allow users to make the doorbell ring suits more placement scenarios Users can also use wedges to adjust the views; You can buy additional Ring chime (Tapo H100) if you need it
Smart AI Detection and Notification: Smart AI algorithms identify people, pet, packages and cars, and notify users as needed Purchase our Tapo ring doorbell bundle for your smart home needs
Flexible Storage Choice: Save recorded videos on the hub-installed microSD card(up to 512 GB) or by using Tapo Care loud storage services
Anti-theft Alarm: Be alerted when someone trying to take the doorbell off with the anti-theft alarm function
Water & Dust Resistant IP64：Operates well on rainy days and in damp environments
Tapo Care – Explore the Cloud video storage and more advanced functions with a 30-day Free Trial You will be notified before your free trial expires with information on how to pay for a subscription

THIRDREALITY Zigbee Contact Sensor 4 Pack,Door and Window Monitor,Works with Home Assistant,SmartThings,Aeotec,Homey Bridge,Homey Pro,Hubitat or Echo Devices with Build-in Zigbee Hub,hub Required

5% Off

Why We Love It

Zigbee standard compatibility assured.
Effortless setup with Alexa.
Long-lasting two-year battery life.

Main Highlights

ZIGBEE STANDARD COMPATIBLE DOOR SENSOR: Works with compatible Zigbee hubs or Echo devices with Zigbee hub built-in. Such as Echo (4th Gen), Echo Plus (1st Gen and 2nd Gen), Echo Studio, Eero 6, Eero Pro 6, Home Assistant, SmartThings 2015/2018, Aeotec, Hubitat, Homey Bridge, Homey Pro, Third reality Hub and Third Reality Smart Speaker.
HASSLE-FREE SETUP: Installs in a few seconds. Just make sure device in paring mode and compatible Echo device automatically discovers it by saying “Alexa, discover devices”.
SUIT FOR MOSTLY DOORS AND WINDOWS OF THE HOUSE AND 2-YEARS LONG BATTERY LIFE: Door Sensor uses two AAA 1.5V Alkaline batteries for power, the batteries can last for up to 2 years and it is very easy to replace them. Note: Indoor use only and do not install the Door Sensor on metal door or window.
MORE FUN WITH ALEXA ROUTINES: Using the Alexa app, create your own routines that are triggered When door or window is open, turn on a light, send an alert to your phone, let Alexa make a voice alarm or make a joke, etc.
UPGRADED THIRD REALITY APP AND SKILL FUNCTIONS: Connected with Third Reality Hub/Speaker, you can check the battery level in the APP, then replace the batteries in time; history record is also open to the users, so you can know when the state of the movement has been detected and deal with it in time. Enabled Third Reality Skill in the Alexa APP, you will have a low battery warning by emails.

Wolf-Guard WM2GR-P 433MHz WiFi and GSM Security Alarm System with Pet Friendly Motion Detector, Low Battery Alarm Door Window Sensor, RFID Tag

Why We Love It

Loud 110dB for optimum deterrence.
Rechargeable battery offers backup.
Installation and control is easy.

Main Highlights

This burglary alarm system is very powerful, 110dB, which is a nice feature to deter intruders. Protect your home and give you peace of mind at all times
Backup: Rechargeable battery and dual network (WiFi + 2G/GSM), in case of unexpected power outage, Wi-Fi offline is not a problem, send alert via 2G/GSM
Easy to install: remote control by your smartphone. All contacts have been pre-programmed and ready to use. Just download the app, connect WiFi, enter the alarm call number
Powerful: can preset 6 groups of alarm calls, 3 groups of SMS alarms. Connect a maximum of 100 door sensors, window sensors, motion sensors, etc.
Box contents: 1 x main panel, 2 x immune PIR for pets, 10 x door contacts, 4 x RFID cards, 3 x key rings, 1 x 110 dB indoor siren

Ring Alarm Outdoor Contact Sensor

Free Shipping

Why We Love It

Real-time alerts on openings.
Weather-resistant for outdoor use.
Tool-free, easy installation.

Main Highlights

Help secure gates, sheds, garages, windows and outbuildings with Ring Alarm Outdoor Contact Sensor.
Get real-time alerts when your outdoor gate opens, or set the sensor to automatically trigger the siren on your Ring Alarm when armed in Home or Away mode.
Weather resistant and battery powered.
Easy, tool-free installation.
Requires Ring Alarm Base Station. Compatible with 1st and 2nd generation Ring Alarm devices and accessories.
With its weather-resistant design, the Ring Alarm Outdoor Contact Sensor can withstand outdoor use in most climates. Easily mount the wireless sensor to your outdoor gates, sheds, storage containers, or windows to get alerts when they open or close. Outdoor Contact Sensor comes with mounting tape and screws for easy installation on most surfaces.

Tapo TD21 Battery Video Doorbell Wireless 2K 3MP Ultra-Clear Doorbell Camera, Ring Chime Included, Color Night, 160°DFOV Ultra-Wide, TP-Link Free AI Detection,IP65, 6-Month Battery,No Monthly Fee

36% OffFree Shipping

Why We Love It

Long-lasting 6-month battery life.
Incredible 2K clarity display.
Full color night vision.

Main Highlights

𝟮𝗞 𝗖𝗹𝗮𝗿𝗶𝘁𝘆: 2K 3MP Sees Everything, Day or Night; Provides finer details and incredible clarity; Tapo wireless doorbell with 2K resolution provides much better displays than 1080p cameras
𝟭𝟲𝟬° 𝗨𝗹𝘁𝗿𝗮-𝗪𝗶𝗱𝗲 𝗩𝗶𝗲𝘄: Captures everything from head-to-toe; A 160° diagonal field of view offers exceptional coverage ; Meaning, better views with Tapo TD21 doorbell camera wireless
𝗔𝗹𝗲𝘅𝗮/𝗚𝗼𝗼𝗴𝗹𝗲 𝗛𝗼𝗺𝗲 𝗖𝗼𝗺𝗽𝗮𝘁𝗶𝗯𝗹𝗲: The smart doorbell camera works with Amazon Alexa and Google Assistant to free up your hands and supports display the live through Echo Show or Fire TV with the help of a voice assistant
𝗧𝘄𝗼-𝗪𝗮𝘆 𝗔𝘂𝗱𝗶𝗼: High-quality talk with premium mic and speakers allows you to speak in two way with your video doorbell; Speak directly with your guests or delivery couriers with immediate action
𝗙𝗿𝗲𝗲 𝗔𝗜 𝗗𝗲𝘁𝗲𝗰𝘁𝗶𝗼𝗻 𝗮𝗻𝗱 𝗦𝗺𝗮𝗿𝘁𝗲𝗿 𝗡𝗼𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀: Real-time notification with free AI detection received immediately and can be checked from your smart phone; Alerts for person, vehicle, pet, and package; receive notifications on the go with Tapo door bell
𝗙𝘂𝗹𝗹 𝗖𝗼𝗹𝗼𝗿 𝗡𝗶𝗴𝗵𝘁 𝗩𝗶𝘀𝗶𝗼𝗻 𝘄𝗶𝘁𝗵 𝗦𝗽𝗼𝘁𝗹𝗶𝗴𝗵𝘁: Vivid night visibility and security; Tapo camera doorbell comes with the full color night vision
𝟲-𝗠𝗼𝗻𝘁𝗵 𝗕𝗮𝘁𝘁𝗲𝗿𝘆 𝗟𝗶𝗳𝗲: 6400mAh Built-in battery; provides 180 days of battery life; Enjoy long-lasting security with fewer charges, ensuring continuous protection and convenience
𝗤𝘂𝗶𝗰𝗸 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗲: Rapid reaction to any situation; Tapo TD21 doorbell camera allows you to quickly response to any situation
𝗜𝗣𝟲𝟱 𝗪𝗲𝗮𝘁𝗵𝗲𝗿𝗽𝗿𝗼𝗼𝗳: Reliable in all weather conditions
𝗟𝗼𝗰𝗮𝗹 𝗮𝗻𝗱 𝗖𝗹𝗼𝘂𝗱 𝗦𝘁𝗼𝗿𝗮𝗴𝗲: Supports microSD card (up to 512GB) and Tapo Care cloud

WiFi Security Burglar Door Alarm System Kit for Garage Shed House Hotel Shop Apartment, Weatherproof Siren Horn with Remote Control Door Contact Sensor,Motion Sensor,Loud Up to 120db

Free Shipping

Why We Love It

Instant phone alarm notification.
Easy to install.
24-hour monitoring available.

Main Highlights

【Home Multi-purpose Sensor Alarm System】 The home security systems will be triggered when door or window is opened or closed, you will get an instant alarm notification on your phone within about 1 - 8 seconds depends on Wifi networks. (NOTE: Only support 2.4Ghz. No built-in siren, but the alert message to your phone.)
【Easy to Install】 The Magnetic Sensor alarm system is very easy to install and you can attach it to door or window frames by either double-sided tape or screws. Double-sided stickers and screws are included in the box. Note: Make sure the sensor is aligned with the magnet and the gap is less than 10mm. loud alarm and better protection for apartment shed hotel garage safety, affordable home security.
【24H Monitoring】 The push notification feature on the house alarms security system app can be disabled when you're at home, and the wifi door sensor will continue to record a history for you to view when you need to. Children and seniors at home when in emergency, they can press the [S] button of the remote control, which will set off the siren alarm up to 120dB to notify other members at home or neighborhood, so that they can get help in time.
【What do you get?】 DIY Wifi home security systems: 1x120 DB speaker, 1x power cord, 2x infrared sensor, 2x remote control, 2x door sensor, 1x instruction manual, and our lifelong friendly service. Our DIY home burglar security alarm system features speakers that connect to up to 30 wireless detectors, 10 remote controls, 10 door magnetic sensors and a maximum sound of 120 decibels to deter thieves or thieves.
【After Sale Service】 Door alarm uses remote controls to set security code for arming/disarming; home security system complete with fully programmed main unit and sensors, later if you want to DIY, please factory reset first according to manual, then pair them again or search operation video on YouTube "KERUI Standalone Alarm System Operation Guide" for reference.please feel free to contact us and we will try our best to provide you with the most satisfactory service.

Ring Alarm Contact Sensor (2nd Generation) - 2 pack

Free Shipping

Why We Love It

Real-time notifications on openings.
Compact, space-efficient design.
Hassle-free tool-free installation.

Main Highlights

Get real-time notifications the moment a door or window opens in your home.
Now with a more compact design and slim removable magnets for easy installation, even when space is limited.
Easy, tool-free installation.
Mounts to doors and window frames.
4 x CR2032 Lithium Coin Cell 3V.
Requires Ring Alarm Base Station. Compatible with 1st and 2nd generation Ring Alarm devices and accessories.
Alexa can notify you when your Ring Alarm Contact Sensors and Motion Detectors are running low on batteries.

Ring Rechargeable Battery - Quick Release Battery Pack

4% OffFree Shipping

Why We Love It

Effortless battery swapping feature.
Near-universal Ring device compatibility.
Always backed with spare power.

Main Highlights

Ring Quick Release battery - easy to charge removable battery.
For all Ring Devices powered by Quick Release Battery.
You'll always have backup power.
Operating conditions: -20.5°C to 48.5°C
Dimensions :7 cm. x 4.5 cm. x 2.25 cm
Questions or need help? Contact Ring Support: 01727 26 3045 or via email help@ring.com

Tapo H200 Smart Hub with Alarm & Chime, Works with Tapo Switches, Buttons, Sensors, Cameras and Video Doorbells, Connect Up to 64+4 Devices, 19 Ringtones, Low-Power Wireless, Local microSD Storage

13% OffFree Shipping

Why We Love It

Connect up to 68 devices.
Smart alarm and chime.
19 customizable ringtone options.

Main Highlights

Up to 64+4 Devices – Connect more devices (up to 64 switches*, sensors, or buttons + 4 cameras or doorbells) to create your home's smart ecosystem. Works with Tapo C420, Tapo C400, Tapo D230, and more
Smart Alarm & Chime – Works with your smart cameras (Tapo C420, Tapo C400), video doorbells (Tapo D230), and sensors as a smart alarm or chime when motion is detected, or a visitor arrives
19 Ringtone Options – Multiple built-in ringtones (up to 90dB) for your customized scenarios
Low-Power Wireless – Helps your smart sensors and buttons last up to 10 times longer by adopting an ultra-low power wireless protocol
Voice Control- Working with Alexa and Google Home requires Tapo H200 to be connected to IPC devices, smart sensors, or Sub-1G switches
This device operates exclusively within the specified Sub-1G band; Please note that different regions support different frequency bands; Ensure that the devices or hubs you intend to use are compatible with the same Sub-1G band

Bosch Smart Home door/window contact II, smart sensor for energy-efficient heating, compatible with Amazon Alexa and Google Assistant, white

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Why We Love It

Detects open doors/windows smartly.
Unobtrusive design with thin magnet.
Saves energy and costs effectively.

Main Highlights

Smart sensor: reliably detects open doors and windows, shows their status in the app and serves as a trigger for actions or scenarios in the Smart home thanks to the integrated button
Discreet design: door/window sensor with an extra-thin magnet (3 mm) fits into the overall living environment in an unobtrusive manner and can be fitted to windows – even those with multiple glazing
Save heating costs: window sensor detects open windows, enabling the smart radiator thermostats to be automatically turned down via the "Sustainable ventilation" service to save energy costs
Break-in protection: once integrated into the Bosch Smart Home alarm system, the door/window contact triggers an alarm when it senses the unauthorised opening of doors and windows
Maximum added value in the system: you need a Bosch Smart Home controller or Bosch Smart Home controller II to integrate the device into your Bosch Smart Home system
Box contents: 1x door/window sensor, 1x magnet, 1x CR123A battery, adhesive tape, user manual

8.9

Excellent

We scanned 321 products

We reviewed these offers relevant to the Ring Door Contact Sensor Battery within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Tapo, THIRDREALITY, WOLF-GUARD, Ring, TOWODE, Bosch Smart Home, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Ring Door Contact Sensor Battery in the market, we considered we took a deep dive into 1606 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Tapo D230S1 2K 5MP Battery Video Doorbell Wireless, Security Camera Doorbell, Ring Chime Included, Color Night Vision, Head-to-Toe View, 6-Month Battery, IP64, Cloud &Local Storage, No Monthly Fee. We love many things about this product by Tapo. What sets it apart from the competition is Crystal clear night vision, Long-lasting battery convenience, Smart security alerts.
The best value product for most shoppers and where user satisfaction is continuously the highest is THIRDREALITY Zigbee Contact Sensor 4 Pack,Door and Window Monitor,Works with Home Assistant,SmartThings,Aeotec,Homey Bridge,Homey Pro,Hubitat or Echo Devices with Build-in Zigbee Hub,hub Required by THIRDREALITY based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Ring Door Contact Sensor Battery and the best cost-to-value ratio is Tapo D230S1 2K 5MP Battery Video Doorbell Wireless, Security Camera Doorbell, Ring Chime Included, Color Night Vision, Head-to-Toe View, 6-Month Battery, IP64, Cloud &Local Storage, No Monthly Feeat Tapo with a 47% discount.
Our list of the best Ring Door Contact Sensor Battery is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Ring Door Contact Sensor Battery in The UK

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We scanned 321 products

We concluded that: