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Shop the best prices on 6,962 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ebox, Cdmjxsm and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1,761 - 1,792 of 3,200
Wireless 79GHz Radar Vehicle Detector Replace Loop Detector for Car Parking System Gate Barrier
$79.00 Save $50.00 RRP: $129.00
Wireless Door and Window Vibration Sensor Alarm 125dB Glass Breakage Anti-Theft Sensor, Easy Instal
$14.95 Save $2.00 RRP: $16.95
5-Level Sensitivity Adjustment Window Glass Break Vibration+Magnetic Door Sensor, Requires Alarm Ho
$35.95 Save $6.00 RRP: $41.95
MC-31 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch for Window Door Security 10pcs 20pc Screws
$26.95
Magnetic Sensor Bed Wetting Alarm Rechargeable Loud Sound Vibration Waterproof Bedwetter Pee Alarm Monitor for Kids Multicolor
$54.00
Sensitive Perimeters Security Detectors Small Size Weatherproof 20 Meter Ranges Small Beam Alarm Detectors for Hosuehold Multicolor
$33.95
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$109.00 Save $110.00 RRP: $219.00
Infrared Photoelectric Sensor Beam 12v/24v Outdoor Waterproof Infrared Sensor Gate Signal for Slide
$14.95 Save $11.00 RRP: $25.95
Embedded Magnetic Gap Switch Door and Window Sensor for Hotel Room Doors ABS Material Brown 36.00X0.30X0.30CM Secure Closure Prevention 6Pcs
$33.95 Save $16.00 RRP: $49.95
Multi-Purpose 2 in 1 Door Sensor for Door Opener Infrared Safety and Radar Safety Sensor for Automatic Door(Black)
$159.00
Invisible Beam Barrier Active Detection Digital Pulse Infrared Sensor 100m IR Alarm
$69.00 Save $25.00 RRP: $94.00
Vibration Sensor 3Pcs Sensor for Family Security Monitoring
$94.00 Save $45.00 RRP: $139.00
SNZB-04P Zigbee Door Window Sensor Door Open/Close Detector for EWeLink App ZBBridge Required Work with Alexa Google Home
$29.95 Save $29.05 RRP: $59.00
Wired Alarm Garage Door Magnetic Contacts with Adjustable Bracket
$18.95 Save $18.00 RRP: $36.95
Signal Detector Bug Finder LED Infrared Camera Scanner Rechargeable Detecting Tool 5V for Home Hotel
$37.95 Save $41.05 RRP: $79.00
2Pcs Single Infrared Beam Sensor IP55 Protection Automatic Infrared Photocell Sensor Alarm for Gate
$25.95 Save $7.00 RRP: $32.95
Tuya WIFI Smart Door Window Magnetic Sensor Security Alarm Open Closed Detector Home for Anti-Theft Door Rolling Door
$13.95 Save $7.00 RRP: $20.95
Tuya Zigbee Light Sensor Luminance Detector Sensor Smart Home Automation App Control Tuya Light Detector
$15.95 Save $7.00 RRP: $22.95
Reflector Photocell Long Range 12-24V DC/AC Automatic Gate Infrared Photocell Sensor with Waterproof Cover
$41.95 Save $17.05 RRP: $59.00
3pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems White
$19.95 Save $9.00 RRP: $28.95
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP Remote Control
$20.95 Save $9.00 RRP: $29.95
Tuya WiFi Vibration Sensor 130dB Sound Light Alarm Smart APP Real-Time Vibration Reminder Home Security Shock Detector
$17.95 Save $8.00 RRP: $25.95
Wireless Outdoor Door Window Magnetic Alarm Sensor Waterproof Monitor Burglar Anti Theft Alarm Home Security
$30.95 Save $14.00 RRP: $44.95
Tuya Smart Vibration Sensor ZigBee Tuya Sensor Monitor App Control Security Protection Zigbee Sensor Motion Shock Alarm
$13.95 Save $6.00 RRP: $19.95
IR Beam Motion Detector 12V Waterproof Single Beam Sensor Pair for Automatic Gate and Garage Doors
$159.00 Save $80.00 RRP: $239.00
Tuya Smart Door Sensor Wireless WiFi Door Window Detector Smart Linkage Window Door Contact Sensor for Home Security
$15.95 Save $7.00 RRP: $22.95
1 Pair Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrared Photocells
$19.95 Save $9.00 RRP: $28.95
Tuya WiFi SOS Emergency Button Wireless One Key Call Help Home Elderly Children Security Protection
$17.95 Save $8.00 RRP: $25.95
MC-31 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch for Window Door Security 10pcs 20pc Screws
$26.95
Smart Home Zigbee Door and Window Sensor Alarm Compatible with UK SmartThings Hub
$31.95 Save $20.00 RRP: $51.95
10pcs Wired Door Window Sensor Magnetic Switch for Home Alarm System
$23.95 Save $7.00 RRP: $30.95
Split type door and window sensor door magnet sensor 60 songs protection security anti-theft volume p
$32.95