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Shop the best prices on 4,258 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Other, Ebox and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Canada.

Home Alarm SystemsSecurity Sensors & RecordersSafesEmergency PreparednessSecurity Lights & MirrorsFire Alarms & ExtinguishersDetectors
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1 - 32 of 3,200
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
$16.95 Save $9.00 RRP: $25.95
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Securi
$10.95 Save $6.00 RRP: $16.95
10 Sets 433MHz Wireless Magnetic Door Window Sensors for Enhanced Home Security Compatible with Home Burglar Systems
$36.95 Save $22.05 RRP: $59.00
3pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems Black
$18.95 Save $10.00 RRP: $28.95
1/4 Inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included unbrand
$15.95
Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)
$50.95 Save $138.05 RRP: $189.00
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart Home 1M
$17.95 Save $7.00 RRP: $24.95
2PCS Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Safety Smart Life Remote
$25.95
1/4 Inch Magnet Riser,10 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Incl
$26.95 Save $21.00 RRP: $47.95
12V 3A Power Supply Adapter Universal Power Adapter Transformer for Monitor
$18.95 Save $6.00 RRP: $24.95
Tuya Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection
$32.95 Save $5.00 RRP: $37.95
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhance
$20.95 Save $2.00 RRP: $22.95
Tuya WiFi SOS Panic Button Smart Life APP Notifications One Key Alert Wall Sticky /Neck Strap Design for Elderly & Kids
$35.95 Save $17.00 RRP: $52.95
Wireless Magnetic Sensor Door Entry Alarm with for Home Security
$8.95 Save $3.00 RRP: $11.95
Tuya Smart Zigbee Rain Sensor with Light Detector Solar Operated IPX6 Waterproof Rain Detector Remote Control
$30.95 Save $14.00 RRP: $44.95
Zigbee Door Sensor Window Sensor Tuya Door Opener Detector Wireless Smart Door Sensor Alarm for Home Security&Automation
$15.95 Save $10.00 RRP: $25.95
Infrared Photoelectric Sensor Beam 12v/24v Outdoor Waterproof Infrared Sensor Gate Signal for Slide Gate Opener Safety
$16.95 Save $9.00 RRP: $25.95
2 Pack Freezer Door Alarm - Wireless Fridge Alarm with 3/15/30/60 Seconds Delay, 4 in 1 Door Sensor
$84.00 Save $55.00 RRP: $139.00
100m Ir Alarm Sensor, Digital Pulse Infrared Sensor Dual Beam Infrared Alarm, Infrared Invisible Sen
$189.00 Save $100.00 RRP: $289.00
WSD500C Tuya Zigbee Temperature Humidity Sensor Abnormal Alarm for Home Office
$40.95 Save $53.05 RRP: $94.00
Smart Light Sensor ZigBee WiFi compatible with TUYA for Home Automation and Energy Saving
$31.95 Save $15.00 RRP: $46.95
Touchless Infrared Exit Button with Blue Backlight, Stainless Steel Hands Door Release Sensor
$20.95 Save $11.00 RRP: $31.95
12V/24V Touchless Infrared Sensor Switch with LED, Hands Door Access Control Button White 86x86mm
$27.95 Save $13.00 RRP: $40.95
2Pcs - SGP40 SGP40 TVOC ECO2 CO2 Carbon Dioxide Sensor Formaldehyde, Air Quality Monitoring Sensor
$25.95
Door Alarm, Door Open Sensor with 130dB Loud Alarm, Wireless Door and Window Magnetic Alarm for Doors, Windows and Cabinets, Home, Office
$32.95 Save $76.05 RRP: $109.00
Tuya Fingerbot Touch Screen Smart Life BLE Wireless Touch Switch Robot Remoter Support Home Voice Assitant
$28.95 Save $30.05 RRP: $59.00
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
$13.95
4pcs Door Window Sensor Zigbee Wireless Connection Smart Mini Door Sensor Work for Aqara Gateway Mi Home HomeKit
$99.00
Tuya Wifi Door Sensor Window Entry Sensor Security Burglar Magnetic Sensor Alarm Smart Life for APP Remote Control
$11.95
4pcs Door Window Sensor Zigbee Wireless Connection Smart Mini Door Sensor Work for Aqara Gateway Mi Home HomeKit
$109.00
Zigbee Smart Air Pressure Environment Sensor Smart Home for Mi APP
$89.00 Save $5.00 RRP: $94.00
5 Pcs -38 Wired Door Window Sensor Magnetic Switch
$31.95 Save $2.00 RRP: $33.95