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Security System Sensors

Shop the best prices on 9,280 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Yale and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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97 - 128 of 3,200
WiFi Door & Window Sensor Alarm | Real-Time Alerts | Easy Install | Home Security
$37.95
Compact 120dB Security Personal Alarm - Infrared Sensor, Anti-Theft & Anti-Wolf Protection
$37.95
Wireless Door & Window Alarm - Sensitive Anti-Theft Sensor, Easy Install, Multifunctional Use
$35.95
Magnetic Clothing Hard Tag Remove Security Detacher
$34.95
4pcs High Sensitivity Infrared Motion Sensor Shell Cover for Human Body Detection White Plastic Housing for Security Systems Energy Management
$12.95 Save $51.05 RRP: $64.00
Vibration Sensor Detector Alarm Monitor Wireless Automation Control for Home Office
$39.95 Save $29.05 RRP: $69.00
90db Wireless Security Alarm Door Window Sensor Magnetic Opening Sensor Enhanced 5Pcs
$14.95
Wired-Magnetic Door Window Contact Sensor Waterproof Door Window Sensors Detector for Home Security Alarm System Multicolor
$23.95
Doorbell Volumes Adjustable Automatic Wireless Doorbell Athkar Doorbell Device with Alarm Magnetic Door Sensors Multicolor
$29.95
5 Sets MC-38 Wired Door Window Sensor Magnetic Switch Home Alarm System Detector White
$23.95
Wireless Fridge Alarm - 4-in-1 Door Sensor Chime - Adjustable Delay - Freezer Door Alarm
$19.95 Save $19.00 RRP: $38.95
2 Sets Magnetic Door Wired NC NO Normally Open Closed Door Contact Switch for Home Security 100V DC
$14.95 Save $15.00 RRP: $29.95
Infrared Detector Sensor 2 Beams Indoor 300m Outdoor 100m High Sensitive Waterproof Home Security Alarm
$51.95 Save $52.05 RRP: $104.00
NEW Tuya Door Sensor Wifi Window Shatter Sensor Door Window Magnetic/shock Detector
$59.00 Save $60.00 RRP: $119.00
4PCS Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door
$44.95 Save $29.05 RRP: $74.00
Type B 2Pcs Infrared Beam Sensor Detector Alarm Photocell Photoelectric Switch DC 12-24V Light z
$28.95
White ABS Vibration Sensor for Security Alarm Use
$35.95 Save $33.05 RRP: $69.00
Wifi Window Alarm Door Safety Alarm Sensor, Intelligent Sound Alarm Application Remote Control Automatic Control Automatic Anti -theft Detection Child
$34.95 Save $24.05 RRP: $59.00
SONOFF SNZB-04P Zigbee Door and Window Sensor
$20.95 Save $8.00 RRP: $28.95
Bed Wetting Wireless Alarm Urine Sensor Rechargeable Pee Wet Alarm With Receiver-Good
$69.00 Save $30.00 RRP: $99.00
50pcs Zigbee Tuya Smart Door Sensor Window Contact Sensor Smart Home Wireless Open/close
$824.00
4 pcs new car tpms Tire Pressure Monitor Warning System Sensor 433MHz For Subaru Forester SJ Justy Legacy
$89.00 Save $30.00 RRP: $119.00
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
$99.00 Save $100.00 RRP: $199.00
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open
$18.95 Save $18.00 RRP: $36.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
$39.95 Save $39.05 RRP: $79.00
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Window Open Close Status DS3 Works with G2 TTLOCK App
$30.95 Save $9.00 RRP: $39.95
Handheld Security Tag Unlocker - Magnetic Hook Detacher for Retail Stores
$18.95 Save $31.00 RRP: $49.95
Tuya Zigbee Smart Door Magnet Door And Window Sensor Rechargeable Wireless Smart Door And Window Se
$11.95 Save $33.00 RRP: $44.95
Magnetic Door Window Entry Alert Sensor Switch
$12.95 Save $12.00 RRP: $24.95
Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security
$20.95 Save $6.00 RRP: $26.95
Wired Door Sensor Magnetic Switch Home Anti-theft Alarm Home Door Window Entry Warning Switch Dustproof Waterproof
$25.95
Door Window Sensor Detector Home Security Magnetic Sensor Door Window Anti-theft Alarm Surface Mount Strong Concealments Multicolor
$31.95