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Security System Sensors

Shop the best prices on 4,871 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Xiaomi, Domos, Sz-fr5a-i500703880 and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Canada.

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1 - 32 of 3,200
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
$15.95
Palm Vein TTLOCK APP WIFI IP67 Access Control Time Attendance 3D Face Recognition 13.56MHZ RFID +Fi
$169.00 Save $20.00 RRP: $189.00
4X Tuya Wifi Door Sensor Window Entry Sensor Security Burglar Magnetic Sensor Alarm Smart Life for APP Remote Control
$30.95 Save $14.00 RRP: $44.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart Home 1M
$17.95 Save $8.00 RRP: $25.95
12V 3A Power Supply Adapter Universal Power Adapter Transformer for Monitor
$18.95 Save $5.00 RRP: $23.95
Power Failure Alarm with 120dB Siren and LED Indicator for Home Office Safety (Needs 9V Battery)
$22.95 Save $11.00 RRP: $33.95
3-Pack WiFi Temperature Humidity Sensors: App Notifications, Cloud Data Storage, Wireless Monitoring Solution
$46.95 Save $37.05 RRP: $84.00
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
$19.95 Save $9.00 RRP: $28.95
1/4 Inch Ring Alarm Magnet Riser,10 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included
$25.95 Save $11.00 RRP: $36.95
Light Sensor T1 Brightness Sensor Smart Home Lighting Change Controlled for Home
$15.95 Save $35.00 RRP: $50.95
1 Pair Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrar
$17.95 Save $9.00 RRP: $26.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart
$18.95 Save $1.00 RRP: $19.95
3X Tuya Wifi Door Sensor Window Entry Sensor Security Burglar Magnetic Sensor Alarm Smart Life for APP Remote Control
$22.95 Save $10.00 RRP: $32.95
Tuya Zigbee Illuminance Sensor IP67 Waterproof Light Sensor Brightness Detection Real Time App Control Sensor
$17.95
5 Pcs Mc-38 Wired Door Window Sensor Magnetic Switch For Home Alarm System,When Sensor Together,Normally Closed Nc
$8.95 Save $6.00 RRP: $14.95
Power Off Detector Sensor Large Volume Wired Alarm System
$16.95 Save $9.00 RRP: $25.95
Wireless Door Window Sensor WiFi Smart Door Intrusion Detector Home Security Alarm Works with Amazon alexa assistant or Rokid
$23.95 Save $8.00 RRP: $31.95
Intelligent WiFi Door Sensor Window Alarm Compatible with Alexa and Home Wireless Control Tool for Door and Window
$24.95 Save $7.00 RRP: $31.95
WIFI Door Sensors Alarms Contact Wireless Door Window Magnet Entry Detector Sensor for Home Security APP tuya
$24.95 Save $7.00 RRP: $31.95
Pack Photosensitive Sensors for Street Lighting, Automatic On/Off, Dusk to Dawn, AC 110-220V
$22.95 Save $7.00 RRP: $29.95
Dual Tone Electric Security Siren Wired Alarm Horn DC12V 120dB Security Siren Speaker with Adjustable Bracket
$54.00 Save $20.00 RRP: $74.00
10W Magnetic Reed Switch Zinc Alloy Responsive NC Door Window Contact Sensor for Garage Warehouse Shop 100V
$23.95 Save $7.00 RRP: $30.95
Wireless Door/Window Alarm, Anti-Theft Sensor, 108dB, Easy Installation, Home Cabinet Security Alarm
$20.95 Save $6.00 RRP: $26.95
Détecteur de faisceau infrarouge sans fil, étanche, triple faisceau, capteur d'alarme pour la sécurité extérieure de la maison
$99.00 Save $30.00 RRP: $129.00
Interrupteur de système de contrôle d'accès de porte à capteur tactile Bouton de déverrouillage de sortie de sécurité à domicile
$23.95 Save $7.00 RRP: $30.95
Passerelle intelligente sans fil pour interrupteurs ZigBee, rideaux électriques, télécommandes infrarouges DC5V
$30.95 Save $9.00 RRP: $39.95
Interrupteur de capteur de rideau lumineux, dispositif de sécurité pour réseau lumineux (6 faisceaux BEM0640-A-200NB)
$109.00 Save $40.00 RRP: $149.00
Système de sécurité anti-effraction avec alarme magnétique pour porte et fenêtre, pour magasin, garage
$13.95 Save $4.00 RRP: $17.95
Détecteur de sécurité photoélectrique infrarouge à triple faisceau, système de sécurité ABE-250
$99.00 Save $30.00 RRP: $129.00
Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Switch for Door
$25.95 Save $7.00 RRP: $32.95
Durable ABS Window Alarm Sensor, Adjustable Sensitivity, Battery Powered Remote Glass Break Detector, English, Black
$18.95 Save $5.00 RRP: $23.95
Tuya Smart Life Zigbee Smart Door Window Sensor Door Open Closed Detector Security Protection Alexa Home Voice Control
$15.95 Save $6.00 RRP: $21.95