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  household sensors & alarms (80 items)

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Adeunis ARF8170BA alarm signal repeater/transmitter (1 offer) 
ACT Remotely activate or restart machinery and equipment MONITOR Count the number of status changes ALERT - Report errors, level alerts - Detect presence or activity - Control access or a break-in
Adeunis RF
ARF8170BA
from £ 85.70*
per piece
 
 piece
Adeunis ARF8170BA-B01 door/window sensor Wireless Grey, White (1 offer) 
Contact sensor: detect an opening Monitor the inputs/outputs of a room ALERT - Prevent in case of intrusion, - Prevent in case of opening or closing, - Prevent beyond a certain number openings / cl...
Adeunis RF
ARF8170BA-B01
from £ 114.02*
per piece
 
 piece
Akuvox Smart CO Sensor gas detector Carbon monoxide (CO) (1 offer) 
Receive instant alerts in the event of CO detection, wherever you are. When detecting the presence of CO, the sensor starts alarming by setting off its audio alarm and flashing its LED, and sends a...
Akuvox
CO SENSOR
from £ 56.47*
per piece
 
 piece
Akuvox Smart Door and Window Sensor door/window sensor Wireless Door/Window Silver (2 offers) 
Smart Door and Window Sensor Let you know the door and window status anywhere, anytime. The sensor is usually installed on door or window frames. When detecting a door or window being opened or clo...
Akuvox
DOOR/WINDOW SENSOR
from £ 25.46*
per piece
 
 piece
Algo 2507 alarm ringer Black (1 offer) 
Enable Loud Ringing, Notification & Visual Alerting without a SIP Registration – The 2507 Ring Detector is designed to enable loud ringing, notification, and visual alerting directly from a compati...
Algo
2507
from £ 111.86*
per piece
 
 piece
Aqara DJT11LM vibration detector (1 offer) 
Detects vibration and movement at home Designed to Fit Various Places Aqara Vibration Sensor can be placed anywhere according to your needs, guarding your home. - Valuable paintings - Drawers & Cab...
Aqara
DJT11LM
from £ 15.62*
per piece
 
 piece
Aqara DW-S02D door/window sensor Wireless Door/Window White (1 offer) 
Aqara Door and Window Sensor P2 is a sensor based on the Thread wireless communication protocol, with a built-in high-precision Hall sensor, which can detect the opening and closing status of objec...
Aqara
DW-S02D
from £ 24.51*
per piece
 
 piece
Aqara
DW-S03D
from £ 16.15*
per piece
 
 piece
Aqara SJCGQ11LM water detector Sensor & alert system Wireless (1 offer) 
Aqara Water Leak Sensor Detects flood and protects your property. Triggers Aqara Hub Alarm and Push Notification | IP67 Dustproof and Waterproof Rating IP67 Waterproof Rating Aqara Water Leak Senso...
Aqara
SJCGQ11LM
from £ 15.89*
per piece
 
 piece
Axis 01564-001 motion detector Wired White (5 offers) 
AXIS D2110-VE Security Radar is a smart network-based security device that uses advanced radar technology to deliver wide 180° coverage. Thanks to built-in analytics developed using machine learnin...
Axis
01564-001
from £ 1,368.44*
per piece
 
 piece
Brennenstuhl PIR 240 Passive infrared (PIR) sensor Wired White (2 offers) 
Automatically switches lamps on and off (incandescent, halogen, energy-saving bulbs and LED lamps) when someone enters the detection zone. - For indoor and outdoor use, IP 44. - Detection angle 240...
Brennenstuhl
1170910
from £ 16.71*
per piece
 
 piece
Brennenstuhl BR 1201 Photoelectrical reflection detector (1 offer) 
Features: - Smoke detectors save lives!More safety for you, your family and your property! - Photoelectric detector, tested in accordance with EN 14604. - Optical function display, with test button...
Brennenstuhl
1290010
from £ 8.30*
per piece
 
 piece
Brennenstuhl
1290050
from £ 17.03*
per piece
 
 piece
Brennenstuhl
1290050004
from £ 62.14*
per piece
 
 piece
Brennenstuhl
1290210004
from £ 142.48*
per piece
 
 piece
Brennenstuhl 1293900 motion detector Wireless Ceiling/wall White (2 offers) 
The brennenstuhl®Connect Zigbee motion sensor BM CZ 01 for indoor use impresses with its quality and safety in all areas. Because now you can track the movements in your home from anywhere and at a...
Brennenstuhl
1293900
from £ 23.41*
per piece
 
 piece
Brennenstuhl
1294250
from £ 24.71*
per piece
 
 piece
Yale AC-3PETPIR motion detector Passive infrared (PIR) sensor Wireless Wall (4 offers) 
The Yale Motion Detector is wireless and easy to pair with your Yale Intruder/ Sync Alarm System, allowing you to extend your system to tailor it to your individual needs. These Pet friendly access...
Columbus McKinnon
AC-3PETPIR
from £ 92.304*
per piece
 
 piece
Yale AC-3PIR motion detector Passive infrared (PIR) sensor Wireless Wall White (4 offers) 
The Yale Motion Detector is wireless and easy to pair with your Yale Intruder/ Sync Alarm System, allowing you to extend your system to tailor it to your individual needs. These accessory will acti...
Columbus McKinnon
AC-3PIR
from £ 83.057*
per piece
 
 piece
Yale AC-DC door/window sensor Wireless Door/Window White (4 offers) 
The Yale Door & Window Contact is wireless and easy to pair with your Yale Intruder/ Sync Alarm System, allowing you to extend your system to tailor it to your individual needs. This accessory will...
Columbus McKinnon
AC-DC
from £ 24.851*
per piece
 
 piece
Yale AC-MDC door/window sensor Wired & Wireless Door/Window White (5 offers) 
The Mini Door/Window Contact allows for discreet monitoring of the opening and closure of doors and windows, thanks to the revised sleek aesthetic. Easily pair with your Yale Sync Smart Home Alarm ...
Columbus McKinnon
AC-MDC
from £ 25.90*
per piece
 
 piece
Yale AC-ODC door/window sensor Wireless Black (5 offers) 
The Outdoor Contact allows for discreet monitoring of the opening and closing of doors, gates, entries and exits outside your home or commercial property, thanks to the revised sleek, stealthy dark...
Columbus McKinnon
AC-ODC
from £ 41.99*
per piece
 
 piece
Yale The AC-OPIR A Battery Operated Outdoor PIR Detector Allows Economical And Effortless Passive infrared (PIR) sensor Wireless Ceiling/wall Black, Grey (5 offers) 
Easily detect movement outside your home or throughout your outbuildings, including back gardens, lawns, gates, outdoor corridors and hallways with this new Yale Outdoor Motion Detector. This wirel...
Columbus McKinnon
AC-OPIR
from £ 83.55*
per piece
 
 piece
Yale AC-PETPIR motion detector Passive infrared (PIR) sensor Wireless Wall White (4 offers) 
The Yale Motion Detector is wireless and easy to pair with your Yale Intruder/ Sync Alarm System, allowing you to extend your system to tailor it to your individual needs. This Pet friendly accesso...
Columbus McKinnon
AC-PETPIR
from £ 34.37*
per piece
 
 piece
Yale AC-PIR motion detector Passive infrared (PIR) sensor Wireless Wall White (5 offers) 
The Yale Motion Detector is wireless and easy to pair with your Yale Intruder/ Sync Alarm System, allowing you to extend your system to tailor it to your individual needs. This accessory will activ...
Columbus McKinnon
AC-PIR
from £ 34.067*
per piece
 
 piece
Yale Outdoor Motion Sensor Infrared sensor Wireless Wall Black (2 offers) 
The Yale Outdoor Motion Sensor will detect any motion outside your home within 12 metres. ​Optional pet-friendly feature and customisable detection sensitivity. Enhanced protection range Equipped t...
Columbus McKinnon
AL-EPIR-1A-G
from £ 126.67*
per piece
 
 piece
Yale Keyfob (2 offers) 
Yale Keyfob Experience complete control of your Smart Alarm with the convenience of the Yale Keyfob. Full control Fully-arm (Away arming) or disarm your smart alarm using the Keyfob and secure your...
Columbus McKinnon
AL-KF-1A-W
from £ 36.44*
per piece
 
 piece
Yale Button (2 offers) 
The Yale button can be used as a panic button or function as a doorbell, providing you with added convenience and security. Choose its function easily within the Yale Home app. Multi-use device Dis...
Columbus McKinnon
AL-PB-1A-W
from £ 31.28*
per piece
 
 piece
Yale AL-SDC-1A-W door/window sensor Wireless Door/Window White (2 offers) 
Monitor the opening of any door and window in your home with the Yale Pre Break-in Sensor. Most importantly, you will be alerted of any potential intrusions before they take place, thanks to the vi...
Columbus McKinnon
AL-SDC-1A-W
from £ 42.98*
per piece
 
 piece
Yale SAA5015 motion detector Wireless Freestanding White (5 offers) 
The Yale Shed and Garage Alarm is the ideal way to secure buildings outside of the main home. It is simple to install, can be wall-mounted or be freestanding. The Yale Shed and Garage Alarm is stan...
Columbus McKinnon
SAA5015
from £ 11.50*
per piece
 
 piece
Crestron CEN-ODT-C-POE motion detector Passive infrared (PIR)/ultrasonic sensor Wired Ceiling White (3 offers) 
The Crestron® CEN-ODT-C-POE is a low-profile, ceiling-mounted occupancy sensor that features passive infrared (PIR) and ultrasonic (US) motion detection technology. The CEN-ODT-C-POE is designed fo...
Crestron
CEN-ODT-C-POE
from £ 277.99*
per piece
 
 piece
Dahua Technology ARD323-W2(868S) Wired Ceiling White (1 offer) 
Wireless door detector is a detector consisting of a sensor and a magnet that can trigger an alarm when an armed door is opened. It can display the open and close state of doors and windows on the ...
Dahua Technology
DHI-ARD323-W2(868S)
from £ 30.84*
per piece
 
 piece
Dahua Technology ARK30T-W2(868) (1 offer) 
Wireless Keypad is used with Alarm Hub, and supports multiple users, allowing each one to access the alarm security system with their own private passcode. The system also conveniently keeps a log ...
Dahua Technology
DHI-ARK30T-W2(868)
from £ 63.13*
per piece
 
 piece
Dahua Technology ARM310-W2(868) (1 offer) 
System Overview Wireless input expander is a conversion device that connects to a detector through wired mode, and sends the message in wireless mode to the security system. It can be set up via th...
Dahua Technology
DHI-ARM310-W2(868)
from £ 24.81*
per piece
 
 piece
Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless (1 offer) 
System Overview Dahua Wireless Smoke Alarm provides battery-powered smoke detection and alarm functions within a single unit. Advanced electronics in conjunction with a photoelectric smoke sensing ...
Dahua Technology
DHI-HY-SA21A-W2(868)
from £ 63.32*
per piece
 
 piece
Dahua Technology
VTM130
from £ 59.36*
per piece
 
 piece
EnerGenie MIHO048 door/window sensor Wireless White (2 offers) 
Product Description Receive notifications to your smartphone when a door or window is opened/closed, add other Mi|Home accessories [available separately], connect to IFTTT to control other devices,...
EnerGenie
MIHO048
from £ 71.00*
per piece
 
 piece
Homematic IP
142685A0
from £ 52.39*
per piece
 
 piece
Homematic IP
142722A0
from £ 46.18*
per piece
 
 piece
Homematic IP
142800A0
from £ 54.59*
per piece
 
 piece
Homematic IP
151039A0
from £ 51.92*
per piece
 
 piece
Homematic IP HMIP-SMI55-2 Passive infrared (PIR) sensor Wired & Wireless Wall White (1 offer) 
INCREASED COMFORT AND SECURITY Automatic light control when motion is detected. Depending on the brightness in the room, the light is switched on only when it is needed, for greater convenience and...
Homematic IP
156242A0
from £ 54.76*
per piece
 
 piece
Eve Door & Window (3 offers) 
Know the status of your door or window. Unassuming and a breeze to install with no tools required, Eve Door & Window fuses cutting-edge convenience with everyday peace of mind. And better still, it...
EVE Energy
10EBN9901
from £ 28.33*
per piece
 
 piece
Door & Window (Matter) (2 offers) 
Door & Window (Matter)
EVE Energy
10EBN9951
from £ 26.75*
per piece
 
 piece
Extralink
EX.34859
from £ 24.85*
per piece
 
 piece
Fibaro FGDW-002-1 ZW5 door/window sensor Wireless White (2 offers) 
NEW UNIVERSAL SENSOR The FIBARO Door/Window Sensor 2 combines the functionality of the 2 devices: contact and temperature sensors in one easy to use product. It also has double tamper protection. C...
FIBARO
FGDW-002-1 ZW5
from £ 56.24*
per piece
 
 piece
Fibaro FGDW-002-3 ZW5 door/window sensor Wireless Black (2 offers) 
NEW UNIVERSAL SENSOR The FIBARO Door/Window Sensor 2 combines the functionality of the 2 devices: contact and temperature sensors in one easy to use product. It also has double tamper protection. C...
FIBARO
FGDW-002-3 ZW5
from £ 52.53*
per piece
 
 piece
Fibaro FGMS-001 motion detector Wireless White (2 offers) 
Inspired by nature Beauty comes from nature, advanced technology from people. FIBARO extracts the essence of both and creates perfection. In conjunction with the immutable laws of architecture and ...
FIBARO
FGMS-001
from £ 42.28*
per piece
 
 piece
GJD GJD230 Infrared sensor Wired White (2 offers) 
The D-TECT 3 is a BS8418 compliant, quad element PIR and microwave outdoor movement detector, which can be used to control cameras, connect to alarm panels and communicate with GJD’s lighting contr...
GJD
GJD310/D
from £ 287.91*
per piece
 
 piece
Motion Detector with Infrared for Indoor/Outdoor - White (1 offer) 
Motion Detector with Infrared for Indoor/Outdoor - White
Goobay
95174
from £ 15.75*
per piece
 
 piece
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