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Shop the best prices on 11,838 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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129 - 160 of 3,200
RJ11 Telephone Fax Surge Protector Lighting Thunder Arrester Protection Device 110V
$18.95 Save $10.00 RRP: $28.95
120db Wireless Touch Sensor Anti Theft Security Alarm Loud Door Knob
$14.95 Save $9.00 RRP: $23.95
433MHZ Wireless Door Window Entry Magnetic Sensor Alarm Anti Theft Home Security System
$13.95 Save $8.00 RRP: $21.95
4Pcs Tuya WiFi Smart Temperature Humidity Sensor Indoor Humidity Sensor APP Monitoring for Home Ass
$37.95
1 Pair Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrared Photocells
$18.95 Save $12.00 RRP: $30.95
Tuya Zigbee Illuminance Sensor IP67 Waterproof Light Sensor Brightness Detection Real Time App Control Sensor
$21.95
Roller Shutter Door Magnetic Alarm Detector Magnetic Contact Switch Normally Open/Normally Closed Changeover Type
$11.95 Save $7.00 RRP: $18.95
Tuya ZIGBEE Wall Emergency Button APP Smart Home Sensor 8x6 ZigBee Intelligent Remote Alarm
$28.95 Save $18.00 RRP: $46.95
Battery Photocell 15m Lnfrared Beam Sensor DC/AC 12-24V Waterproof IP5 Automatic Gate Door Safety Sensor Alarm
$14.95 Save $9.00 RRP: $23.95
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP Remote Control
$24.95
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
$20.95 Save $1.00 RRP: $21.95
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP
$22.95
Tuya ZIGBEE Wall Emergency Button APP Smart Home Sensor 8x6 ZigBee Intelligent Remote Alarm
$29.95 Save $2.00 RRP: $31.95
Tuya ZigBee Door Window Sensor Wifi Smart Home Door Sensor Alarms Wireless Door Magnetic Alarms wit
$41.95 Save $7.00 RRP: $48.95
Tuya ZigBee 3.0 Window Door Gate Sensor Detector Controlled Via Smart Life App for Home Black
$20.95 Save $3.00 RRP: $23.95
2PCS Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Safety Smart Life Remote
$33.95 Save $20.05 RRP: $54.00
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs unbrand
$21.95
Garage Door Bracket for Contact Sensor,Ring Sensor Mounting Bracket Security Accessories
$11.95 Save $8.00 RRP: $19.95
Tuya ZigBee 3.0 Window Door Gate Sensor Detector Controlled Via Smart Life App for Home White
$20.95 Save $3.00 RRP: $23.95
5pair for IR Break Beam Sensor LEDs Counting Module Split Distance Sensor Infrared Beam Sensor LED Counting Module
$15.95
Tuya Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection Support Home Assistant Zigbee2mqtt
$64.00
Tuya Smart Home Sensor ZigBee Temperature and Humidity Sensor App Remote Monitoring Light Sensor Detector
$39.95
Wireless Infrared Gate Beam Sensor Anti Theft Alarm IP55 Waterproof for Station Automatic Door
$35.95 Save $23.05 RRP: $59.00
5 Sets Magnetic Reed Switch DC100V Normally Open Closed Recessed Wired Door Window Sensor Switch for Alarm System White
$26.95 Save $16.00 RRP: $42.95
Infrared Beam Sensor Intrusion Alarm Outdoor Long Distance Infrared Detector AC1218V DC1224V 100m/328.1ft
$52.95 Save $31.05 RRP: $84.00
Negative Battery Cable AV6N-10C679- for Focus Escape Transit 2012-2018 Battery Management System Sensor AV6N-10C679-GB
$59.00
Magnetic Remover Clothing Hard Tag Remove - Security Tag Detacher for Easy Tag Removal
$23.95
Ultra-slim Round Door / Window Alert Detect Vibration Sensor Alarm for Home Alarms Security
$20.95
Security Tag Detacher / Magnetic Remover Clothing Hard Tag Remove
$35.95 Save $38.05 RRP: $74.00
Seamless Hubitat Integration with Alexa Echo - Hands-Free Home Automation for UK Smart Living
$30.95 Save $21.00 RRP: $51.95
Tuya Zigbee Door and Window Sensor for Smart Home Security with Alexa and Google Home in UK
$27.95 Save $21.00 RRP: $48.95
ZigBee Vibration Sensor for Home Security Door Window Break-in Alarm Detector Compatible with Smart Life APP
$33.95