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Security System Sensors

Shop the best prices on 10,801 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Other and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,593 - 2,624 of 3,200
Tuya ZigBee Light Sensor Intelligent Home Illumination Sensor Linkage Control Brightness Sensor Work with Tuya Device Compatible with Alexa Home
$64.00 Save $40.00 RRP: $104.00
Wireless Mailbox Alert System with Long Range & LED Flashing: 800 Ft Range Mail Chime Notification for Mailbox Alarm
$129.00 Save $80.00 RRP: $209.00
Polaris Wheel Brake Sensor 4013251 - Real Time & Precise Adjustment
$139.00 Save $80.00 RRP: $219.00
Burglar alarm sensor for door security - infrared beam detector
$74.00 Save $85.00 RRP: $159.00
Compactly Air Quality Sensors Module Gas Sensors Module with Fast Response Low Power Consumption for Intelligent Home
$15.95
1-10pcs SONOFF SNZB-04 Zigbee Door Window Alarm Sensor For eWelink Smart
$25.95 Save $5.00 RRP: $30.95
Wireless Door Window Sensor 4pcs, 4.5V, 120dB, 11.5x6.5x4.5cm Kit
$12.95 Save $4.00 RRP: $16.95
Wired Water Sensor Warehouse Machine Room Home Security Alarm Nc/no Output Relay Options Water Leak Detector Liquid
$179.00
Multifunctional 41A5034 Secure Your Garage with Door Sensors Set Fit Most Openers Portable Garage Accessory for Outdoor Multicolor
$74.00
Sonoff DW2-WiFi Wireless Security Door/Window Sensor Alarm Notification Smart Sc
$32.95 Save $18.00 RRP: $50.95
Wireless NC Door Contact Sensor Alarm 10pcs for Door Window Cabinets
$59.00
Wireless Window/Door Open 52 Chime Entry Security Alarm Doorbell Magnetic Sensor
$64.00 Save $25.00 RRP: $89.00
Infrared Sensor Alarm, Digital Pulse Infrared Sensor Beam Barrier Home Business
$169.00 Save $230.00 RRP: $399.00
High quality Signal detection pen anti-sneak peek hotel camera detector
$119.00 Save $170.00 RRP: $289.00
SMCO01 Smart Home Tuya WiFi Smoke Detector Carbon Monoxide Alarm Wireless Sensor with Flash Light
$52.95 Save $66.05 RRP: $119.00
White Kkmoon 7 Wired Video Door Phone System Visual Intercom Doorbell With 1*800x480 Indoor Monitor + 1*700tvl Outdoor Camera Support Unlock Infrared
$379.00
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2
$79.00 Save $50.00 RRP: $129.00
Door Alarm, Door Opening Detector With Powerful Siren, Magnetic Wireless Door And Window Alarm(pack Of 1) SZRH A-G szsh02
$36.95 Save $47.05 RRP: $84.00
Natural Gas Leak Detector 85db Alarm Sensor with Indicator Light, Home Security Warning Device for Kitchen and Basement
$13.95
Remote Control Smart Home Lighting Smart WiFi Sensor ABS Battery Powered Automation Compatible with Smart Life
$43.95 Save $25.05 RRP: $69.00
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
$114.00 Save $115.00 RRP: $229.00
Capteur de faisceau infrarouge extérieur étanche à faisceau unique, alarme à faisceau infrarouge pour système de sécurité, usine, entrepôt
$26.95 Save $8.00 RRP: $34.95
Détecteur d'ouverture de porte/fenêtre intelligent, application et commande vocale, détecteur magnétique pour la sécurité de la maison
$23.95 Save $7.00 RRP: $30.95
Détecteur de sécurité photoélectrique infrarouge à triple faisceau, système de sécurité ABE-100
$119.00 Save $30.00 RRP: $149.00
Alarme de clôture infrarouge intelligente à fréquence variable, détecteur de rideau lumineux à détection de corps humain, 8-33 V CC, 60 mètres
$119.00 Save $40.00 RRP: $159.00
Interrupteur de système de contrôle d'accès de porte à capteur tactile Bouton de déverrouillage de sortie de sécurité à domicile
$24.95 Save $7.00 RRP: $31.95
Magnetic Reed Switch Alarm Sensor Set for Doors & , Recessed Design, Easy Installation, Compatible with Security Alarm Systems, Compact & Practical,
$25.95 Save $15.00 RRP: $40.95
2 Sets Magnetic Reed Switch NO NC Wired Surface Mounted Magnetic Contact Switch for Door Window
$32.95 Save $17.00 RRP: $49.95
2Pcs Single Infrared Beam Sensor IP55 Protection Automatic Infrared Photocell Sensor Alarm for Gate Opener
$40.95 Save $23.05 RRP: $64.00
M12 52 Music Wireless Sensor Welcome Doorbell Shop Entry Detector Alarm with 2 Transmitters
$54.00
Infrared/IR Beam Detector Sensor for Perimeter Protection Outdoor Security System
$24.95 Save $8.00 RRP: $32.95
Electric Smart Kick Switch for Car Trunk Opening Sensor
$94.00