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Shop the best prices on 5,936 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ebox, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1,249 - 1,280 of 3,200
433MHz Wireless 2 Beams Active Infrared Detector 60M Sensor Alarm for Outdoor Park Home Security Alarm System
$139.00 Save $70.00 RRP: $209.00
M-809 Magnetic Wireless Door Sensor Burglar Alarm Detector for Home Security
$24.95
Athkar Doorbell Device Automatic Magnetic Door Sensors with Alarm for Muslims Family Doorbell Sound Adjustable
$26.95
Description: These wireless door/window magnetic sensors are used to protect the opening of both doo
$17.95 Save $6.00 RRP: $23.95
GSM 3G 4G Humidity Temperature Alarm Environmental Monitoring Power Failure Alarm
$219.00 Save $60.00 RRP: $279.00
Tuya Zigbee Pressure Sensor Multifunctional Occupancy for Gravity Detector Strip for Smart Life Home Automation Device
$31.95 Save $27.05 RRP: $59.00
Car 4 Way Circuit Standard Ato Blade Fuse Box Block Holder 12v/24v+4 Way Fuse
$12.95 Save $4.00 RRP: $16.95
Tuya Intelligent Pressure Sensor for ZigBee Detection Automation Scene Linkage 400mm
$40.95 Save $4.00 RRP: $44.95
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home Security
$9.95 Save $5.00 RRP: $14.95
SNZB-04P Zigbee Door and Window Sensor Local Smart Scene Linkage Tamper Alarm Security Compatible with Alexa Home
$26.95
1~5PCS New Longer Door Window Wireless Burglar Alarm With Magnetic Sensor Home Safety Wireless Longer System Security Device
$13.95
10pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems
$69.00 Save $20.00 RRP: $89.00
Magnetic Door Switch Recessed Wired Contact Sensor for Window DC100V NC
$18.95 Save $19.00 RRP: $37.95
2025 Latest Model Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home
$89.00 Save $90.00 RRP: $179.00
Bestseller Door and window sensors 5 pcs. Recessed Wired Door Window Sensor Door Window Alarm Sensor Home Security Alarm System
$36.95 Save $4.00 RRP: $40.95
2025 Tuya Wifi Door Magnetic Smart Window Sensor Door Door Detector Smart Home Alarm System for Alexa Go
$30.95 Save $3.00 RRP: $33.95
Light Curtain Sensor Switch Safety Light Grating Security Device DC24V(10 Beams BEM104030NB)
$149.00 Save $90.00 RRP: $239.00
5 Set Wireless Burglar Alarm Door and Window Magnetic Sensor Alarm
$12.95 Save $9.00 RRP: $21.95
Magnetic Door Window Contact Sensor Alarm Wired-Metal Security Burglars Alarm
$19.95
Police Approved Safety Alarm 140dB Personal Security Device
$9.95 Save $23.00 RRP: $32.95
Détecteur d'intrusion à faisceau infrarouge, détecteur infrarouge longue distance pour extérieur, 12-18 V CA, 12-24 V CC, 100 m/328,1 pi
$64.00 Save $20.00 RRP: $84.00
Détecteur d'intrusion à faisceau infrarouge, détecteur infrarouge longue distance pour extérieur, 12-18 V CA, 12-24 V CC, 60 m/196,9 pi
$64.00 Save $20.00 RRP: $84.00
Lot de 2 interrupteurs magnétiques à lames, DC12 à 24 V, NC, capteur de porte/fenêtre filaire pour système d'alarme antivol de sécurité domestique
$28.95 Save $9.00 RRP: $37.95
ZDS16 Smart Home Security Zigbee Door Window Magnetic Sensor APP Notification Alarm Device
$40.95 Save $38.05 RRP: $79.00
for Pico Sensor Kit with Pico Expansion Board and 15 Detachable Sensors All-in-One Design, No Soldering
$169.00
Window Alarm Sensors 130dB Wireless Glass Break Detector Vibration Alarm Window Door Security Glass Break Sensor Alarm
$47.95
Adhesive Patches for Libre Libre Sensor Covers Waterproof & Sweatproof & Durable 50-piece/set Skin-Friendly for Sensor Blue
$37.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart
$17.95 Save $4.00 RRP: $21.95
10m to 15m Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrared Photocells
$24.95 Save $154.05 RRP: $179.00
CC308+ Radio Wave Full-Range WiFi RF GSM Device Finder Signal Detect Camera Wireless Camera Lens Signal Detector
$15.95 Save $13.00 RRP: $28.95
1-10pcs WiFi Smart Door Window Sensor Home Security Alarm Detector For Alexa Google Home
$27.95 Save $12.00 RRP: $39.95
Tuya ZigBee Vibration Sensor Smart Home Vibrator Door Window Break Burglar Detector Smart Life APP
$18.95 Save $45.05 RRP: $64.00