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Shop the best prices on 2,747 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.

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1 - 32 of 2,747
RJ11 Telephone Fax Surge Protector Lighting Thunder Arrester Protection Device 110V
$22.95 Save $6.00 RRP: $28.95
12V 3A Power Supply Adapter Universal Power Adapter Transformer for Monitor
$18.95 Save $5.00 RRP: $23.95
Digital Thermometer with WiFi Connectivity and Freezer Alert for Home Monitoring
$39.95 Save $34.05 RRP: $74.00
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$11.95 Save $47.05 RRP: $59.00
Camera Detector Portable Compact Secrecy Protection Smart Wireless Signal Detector with Indicator for Tracking Device T16
$30.95 Save $10.00 RRP: $40.95
Sensor Entrance Supermarket Door DingDong Voice Reminder Alarm
$14.95 Save $2.00 RRP: $16.95
Vibration Sensor Detector Alarm Monitor Wireless Automation Control for Home Office NO.5140
$35.95 Save $14.00 RRP: $49.95
Automatic Toilet Flush Button Smart Flusher ExternalInfrared Sensor
$16.95
Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm for Home Window Door Bike Bag Security Black
$13.95
2 Sets Magnetic Reed Switch Aluminum Alloy AC220V NC Surfaces Mount Wired Door Window Sensor for Hom
$30.95 Save $9.00 RRP: $39.95
Tuya Zigbee Smart Temperature and Humidity Sensor
$21.95
4-Piece Door and Window Alarm Set, Magnetic Burglar Alarm Sensor, Siren for Child Safety,
$49.95 Save $24.05 RRP: $74.00
Zigbee Temperature and Humidity Sensor Mini Temperature Humidity Detector with for App Control
$13.95
Tuya WiFi Smart Home Burglar Alarm Sensor Infrared Motion Detector PIR Sensor Security Protection R
$29.95 Save $3.00 RRP: $32.95
Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Switch for Door
$34.95 Save $10.00 RRP: $44.95
Sensor Entrance Supermarket Door DingDong Voice Reminder Alarm
$16.95 Save $3.00 RRP: $19.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Window Alarm
$16.95 Save $6.00 RRP: $22.95
Single Beam Infrared Radiation Sensor-external Positioning Alarm Detector
$31.95
Tuya Smart ZigBee 3.0 Smart Humidity Sensor with Tuya Smart (C)
$18.95
Tuya Intelligent Pressure Sensor for ZigBee Detection 400mm
$54.00
Magnetic Sensor Home Door Window Entry Warning Alarm Switch
$6.95
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen)
$10.95 Save $2.00 RRP: $12.95
Tuya Smart WiFi Alarm Door and Window Vibration Sensor Security Protection Alert Works with , Smart
$42.95 Save $26.05 RRP: $69.00
Ultrasonic Ranging Alarm Kits LED Display Design of Reverse Alarm DIY Kit Ultrasonic Sensor Module
$16.95 Save $6.00 RRP: $22.95
Door and Window Alarm with Magnetic Sensor Security Protection for Home
$24.95 Save $12.00 RRP: $36.95
Refrigerator Door Alarm, Refrigerator Door Alarm Compact Sensor with Voice Alert for Home, Business, School, and Rooms with Windows
$42.95 Save $21.05 RRP: $64.00
Embedded magnetic switch door/window sensor, entrance switch for home antitheft alarm, dustproof and waterproof door magnetic sensor.
$24.95 Save $12.00 RRP: $36.95
Tuya Zigbee Wireless Window Alarm, Rechargeable, Living Room, Bedroom, Remote Control, Door Sensors, Status Indicator
$94.00 Save $45.00 RRP: $139.00
Wireless Door Window Contact Sensor Alarm - Door Alarm Window Alarm
$18.95 Save $21.00 RRP: $39.95
Door Anti Burglar Protection Kit 911770 Door Security Device Replacement for Peugeot Boxer
$48.95
Infrared Single Beam Alarm -Theft Alarm 2Pcs for Outdoor Indoor
$26.95 Save $16.00 RRP: $42.95
Magnetic Door Sensor Security Sensor for Elderly Safety 5Sets White
$45.95 Save $43.05 RRP: $89.00