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Security System Sensors

Shop the best prices on 6,576 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Other, Yale 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
WiFi Power Outage Alarm with Smart App Notifications, 110dB Alert for Freezer and Sump Pump
$35.95 Save $28.05 RRP: $64.00
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
3-Pack WiFi Temperature Humidity Sensors: App Notifications, Cloud Data Storage, Wireless Monitoring Solution
$46.95 Save $37.05 RRP: $84.00
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
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
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
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
Tuya Zigbee Illuminance Sensor IP67 Waterproof Light Sensor Brightness Detection Real Time App Control Sensor
$17.95
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
Power Off Detector Sensor Large Volume Wired Alarm System
$16.95 Save $9.00 RRP: $25.95
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 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
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
$32.95
Waterproof Wireless Vibration Sensor Alarm with Remote Control for Bike and Electric Trike Security
$38.95 Save $35.05 RRP: $74.00
3-Pack WiFi Temperature Humidity Sensor for Smart Home Monitoring
$44.95 Save $39.05 RRP: $84.00
Smart WiFi Temperature and Humidity Sensor with Multifunction Monitoring and Remote Access Capability
$32.95 Save $41.05 RRP: $74.00
NPN Photoelectric Beam Sensor with Mounting Bracket
$18.95 Save $30.00 RRP: $48.95
Waterproof 12V Infrared Photocell Sensor for Automatic Gates and Doors
$18.95 Save $28.00 RRP: $46.95
Voice Speaker Prompter 5V Customizable Voice-Activated Access Control Car Locking Security
$12.95 Save $2.00 RRP: $14.95
Utp 4 Channel Passive Video Balun Transceiver
$33.95
Neo Coolcam Nas-ds01z Z-wave Door Window Sensor Compatible With Z Wave 300 500 Series Magnet Lock Door Sensor Alarm
$104.00
IP67 Waterproof Solar Outdoor Security Detector for Reliable Nighttime Protection in Red Color 1Pack
$69.00 Save $25.00 RRP: $94.00
SONOFF SNZB-04P Zigbee Door Window Sensor Door Open/Close Detector compatible with EWeLink App ZBBridge Required Work with Alexa Google Home
$31.95 Save $3.00 RRP: $34.95
ELECTOP Smart Door Chime Wireless Door Open/Closed PIR Motion Sensor Detector Smart Life Home Alarm Indoor Security Protection​
$19.95 Save $2.00 RRP: $21.95
652F Anti-theft Door Sensors WIFI Security Alarm Remote Control Door Sensors Alarm Open Closed Detector
$24.95 Save $2.00 RRP: $26.95
Conveninet Magnetic Sensor Burglar Alarm Battery Powered Plastic Window Sensor Smart Wireless High Decibel Alarm Home Security
$99.00 Save $5.00 RRP: $104.00
Magnetic Reed Switch Magnetic Door Switch Magnetic Contact Sensor Switch Normally Open/Closed NC NO Door Alarm Window Security
$22.95 Save $1.00 RRP: $23.95
Magnetic Sensor Burglar Alarm Battery Powered Plastic Window Sensor Smart High Decibel Detector High Decibel Alarm Garage
$94.00 Save $5.00 RRP: $99.00