Security System Sensors

Shop the best prices on 11,349 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on ZENGO, Aura, Redkid and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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Waterproof Wireless Sensor Doorbell 200 Meter Distance Alarm Welcome Device US-Plug

Wireless Sensor Welcome Doorbell Entry Detector Alarm with 3 Transmitters

Smart ZigBee Door Window Sensor for Wireless Home Security with APP Remote Alarm Function

Voice-Controlled Magnetic Sensor with App Notification Alert for Enhanced Home Security - 130dB Loud Alarm & Long Battery Life (1 Pack)

Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement For Polaris

2X Light Sensor T1 Brightness Sensor Smart Home Lighting Change Controlled for Home

£13.95 Save £10.00 RRP: £23.95

2pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db

£13.18 Save £11.22 RRP: £24.40

Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)-Good

£49.00 Save £20.00 RRP: £69.00

10Pcs Approach Switch Inductive PNP NO 3 Wire Proximity Sensor Power Accessories 6‑36VDC

£47.95 Save £61.05 RRP: £109.00

3xBedwetting Alarm Urine Sensor Nocturnal Enuresis Pee Alarms for Kids Adults

Solar Infrared Beam Sensor 433MHz 150m IP65 Outdoor Fence Courtyard Wall Anti Theft Infrared Beam Barrier Alarm

£149.50 Save £99.66 RRP: £249.16

4PCS Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Home

Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban

£30.61 Save £61.21 RRP: £91.82

Magnetic Clothing Hard Tag Remove Security Detacher

£14.95 Save £8.00 RRP: £22.95

WiFi Door Window 100dB Alarm with Magnetic Sensor Tuya APP Remote Alerts Door Open Closed Detectors Home Security Device

Tuya ZigBee 3.0 Window Door Gate Sensor Detector Controlled Via Smart Life App for Home White

£12.95 Save £2.00 RRP: £14.95

Security Sensor Detector 130DB Smart Tuya Door Window Vibration Alarm for Warning Burglars Intruder Home Security Alarm

£20.40 Save £12.24 RRP: £32.64

Fridge Alarm Freezer Alarm with Adjustable Voice Reminders Close Door Reminder Voice Alert

Tuya Zigbee Smart Light Sensor Illuminance Brightness Detection Home Automation Smart Home Detector APP Control

£18.56 Save £11.14 RRP: £29.70

1Pack Smart Door Sensor WiFi, Wireless Door Window Detector Alarm, Smart Linkage Window Door Contact Sensor

£15.47 Save £9.27 RRP: £24.74

433MHz Waterproof Wireless Doorbell Button SOS Emergency Panic Button LED Night Vision Fluorescent Ring Flash Alarm Accessories

£15.47 Save £15.47 RRP: £30.94

Door and Window Alarm, Door and Window Alarm, Door Window Sensor, Door Anti-theft Vibration Alarm, Wireless Home Alarm Anti-theft Alarm for Door Hand

£11.99 Save £28.77 RRP: £40.76

NEO COOLCAM NAs DS01Z Mini Wireless Door Window Sensor Alarm for Z-wave 300 500 Series (US)

£28.95 Save £35.05 RRP: £64.00

Tuya WiFi Smart Door Window Sensor Home Indoor Door Magnetic Detector Compatible with & Home White

£9.95 Save £3.00 RRP: £12.95

Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)

£7.36 Save £14.16 RRP: £21.52

CO-Z Infrared Sensor Kit for Gate Opener, Outdoor Gate Safety Sensors Photocell IR Beam, Gate Photo Eye Sensor, Photoelectric Beam Infrared Sensor

£13.04 Save £10.44 RRP: £23.48

ZW111 Capacitive Fingerprint Scanner 3.3V Low Power Sensor Module for Door Lock and Access Control

£13.95 Save £7.00 RRP: £20.95

24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm

£27.95 Save £14.00 RRP: £41.95

Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher,Supermarket buckle remover unbutton magnetic buckle nail remover needle remover unlock

£28.95 Save £14.00 RRP: £42.95

Zigbee Smart Vibration and Tilt Sensor with App Alerts and Adjustable Sensitivity

£17.99 Save £17.99 RRP: £35.98

Refrigerator Door Alarm Open Alarm with Adjustable Voice Notifications Window Sensor, Voice Warning Door Lock Reminder for Garage Cellar

£15.95 Save £22.00 RRP: £37.95

Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home S

£11.95 Save £19.00 RRP: £30.95