Top 9 Visonic Door Contact UK – Home Security Door & Window Sensors

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1. Noopel

Window Door Alarm 2 Pack Noopel Home Security Ultra-Slim Door and Window Alarms Door Window Burglar Alarm with LOUD 120 DB Siren, DIY EASY to Install 2

Noopel - Prevent children going out the house without notice. Also ideal entry warning for your home, office, apartment, garage and so on. Magnetic door alarm sensor 120db alerts a person to a door or window opening. Ultra-thin door and window alarm with 2 adjustable settings off/on. 3xlr44 batteries included. Easy installation, No wiring needed!No screws needed!Included double sided tape. Ultra-sensitive also low battery indicator to check battery life. This is a perfect affordablE compliment for your home security.
Height1 cm (0.39 Inches)
Length7.3 cm (2.87 Inches)
Weight0.03 kg (0.07 Pounds)
Width3.5 cm (1.38 Inches)
Part NumberRK-KDS3-FBMM

2. Onvis

Automatic Notifications, Bluetooth Wireless Low Energy Battery Powered, No Hub Required 1 PACK, Works with HomeKit, Remote Access, Onvis Door Window Contact Sensor, Magnetic Home Security System

Onvis - Recordshows detection records over the recent 30 days and can be checked on ONVIS Home App or Apple devices. Excellent quality and seamless installation. Onvis door sensor, reminding you whether the door or window is open or closed, Keep Your Home And Family Safe Onvis door sensor will send you phone alert when there's a on/off state change, warehouse, 24/7 door sensor will monitor for home, garage, office, and more.

Flexible deploying additional gaskets, button cell battery and miniature design allows you to deploy the contact sensor flexibly. With the help of onvis app or Apple Home app, installation can be done in a few minutes. Window & door sensor for home security systemonivs ct2 smart door sensor works exclusively with Apple HomeKit.

Never walk in dark again. Low energy consumption and long standby time onivs homekit door sensor uses bluetooth low energy 5. 0 and cr2450 button cell battery, offering low power consumption and 1 year standby time. Create home automations with other HomeKit enabled accessories. For example, with the front door opened, the hallway lights can be turn on automatically.
Weight0.02 kg (0.05 Pounds)

3. Electrotec

Professional Quality, 5 Terminal Magnetic Reed Switch type., 2 x Electrotec CO03 Burglar Alarm White Surface Door Contacts

Electrotec - Normally closed door contacts when door is closed circuit is closed. Compatible with accenta, gardtec, Optima, ADE, texecom, Honeywell, Scantronic and many more. Authentic products carry Electrotec Security Supplies branding. Uk manufactured. Specification grade 1, Environmental Class 2, Operating gap approx 20mm.
Height2.8 cm (1.1 Inches)
Length6.7 cm (2.64 Inches)
Width1.2 cm (0.47 Inches)
Part NumberCO03


Door Alarm, Secrui Wireless Door Window Contact Sensor 120dB Alarm Sensor 4 Modes Wireless Door Open Sensor Alarm Chime Burglar Anti-Theft for Kids Safety Home Shop Security 2 Pack

SECRUI - It can also be used as a doorstop alarm, pool door alarm, garage door alarm or sliding door alarm. It's powered by 2*AAA battery Not included. Fast automatic switch: with ultra-sensitive magnetic sensor desgin, this contact sensor kit can quickly detect your door or windows' status. It can prevent your kids from sneaking out.

We also offer a 12-month warranty. And it’s a perfect wireless security magnetic alarm for kids' safety, garage, home, postbox, anti-theft, and business' security. Easy to install: this home/window contact sensor alarm security kit come with self adhesive pads so no tools are required, just had to stick the door alarm sensor on the door or window. No worry purchase: each secrui customer is valuable and will be supported by 7 days*24 hours online service. Please contact us for a satisfactory solution if any trouble happens to you. Door & window contact sensor: this secrui magnetic door & window chime alarm sensor will emit loud volume alarm of 130dB when the door is suddenly open.

4 alarm modes: it has 4 types of alarm modes--#1 ordinary alarm mode alarm will last for 1 minute if your door is being open; #2 Wireless Doorbell mode “Ding dong”, from low to high, and it will stop as soon as your door is closed; #4 Door closing reminder mode "Di Di", rings once as a welcome tone ; #3 Alarm and Stop mode It will alarm loudly if the door is open, it will remind you by repeated sound until the door is closed.
Height10 cm (3.94 Inches)
Length3 cm (1.18 Inches)
Weight0.1 kg (0.22 Pounds)
Width1.5 cm (0.59 Inches)
Part NumberRK-KDS3-FBMM2


MC-31B NC NO Optional Door Sensor Magnetic Contact Reed Switch 2pcs

YZIF - Rated power : 10w;each sizeapprox : 55 x 12 x 11mm / 2. 2" x 047" x 043"l*w*h;mounting Hole Size : 7 x 2. 5mm/ 028" x 01"l*w. Weight : 40g; package content : 2 Set x Magnetic DoorContact. Product name : magnetic doorcontactreed Switch;Model : MC-31B;Contact Type : NC/NO Optional. Gap : 15-25mm;contact capacity : 05amaximum switch Current;Voltage : DC 100V. Color : white;housing Material : ABS.
Height0.9 cm (0.35 Inches)
Length0.01 cm (0 Inches)
Width0 cm (0 Inches)
Part Number2

6. Swann

Swann 110dB Magnetic Window and Door Alarm Siren Pack of 2

Swann - Powerful siren 110dB+ sounds when window or door is opened. Wireless. Easy to use. Requires 8 x "lr44" batteries 4 for each alarm, included. Easy to Install.
Height12.95 cm (5.1 Inches)
Length17.15 cm (6.75 Inches)
Weight0.11 kg (0.25 Pounds)
Width2.54 cm (1 Inches)
Part NumberSW351-MD2


Visonic PowerMax Complete Alarm Battery Pack inc 0-9912-G, 0-9912-K & Sensors Complete with 1 siren battery

XCELPLUS - Rated 3yrs lifespan under normal operating conditions. Control panel battery: 0-9912-G, 9. 6v 1300mAh. Siren mcs-730 battery 0-9912-k, 3. 6v 13, 000mAh. 2x pir cr123, 1x door contact cr2, 2x Keyfob 23AE. Compatible with the Visonic Powermax Complete.
ManufacturerXCELPLUS Security UK
Part NumberSaver Extended Life

8. Defender

Vibration Shock Glass Siren, Detect Forced Entry, Theft Deterrent Alarm Warning Chime With Sticker, Defender Window Alert Vibration Alarm, Smashed Glass Alarm, Window Alarm, 2 Pack, 110dBs

Defender - Bright red warning sticker for additional visual deterrent. Batteries included. Powerful 110dBs siren deters thieves and attracts attention. Highly reliable alarm for all types of glass window or door panels, including double glazing. Shock sensor technology detects forced entries & attempted smashing. Adhesive pad for easy installation with simple on/off switch operation. Adjustable sensitivity.
ManufacturerSolon Security
Height7 cm (2.76 Inches)
Length5 cm (1.97 Inches)
Weight0.06 kg (0.13 Pounds)
Width2 cm (0.79 Inches)
Part NumberEL00001

9. SD Fire Alarms

The New Visonic Power Master PM-360-R-Kit

SD Fire Alarms - Connectivity to the premises router via Wi-Fi. Touch screen On board keypad. Up to 12-hour backup battery.
BrandSD Fire Alarms