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Security System Sensors

Shop the best prices on 824 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Yale, AXIS and Smart Things. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United States.

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97 - 128 of 824
Door and Window Sensors WiFi,Smart Door Open/Closed Detectors for Home Security 2pack(Battery not Included)
$28.95 Save $14.00 RRP: $42.95
Single Channel Inductive Loop Vehicle Detector for Parking Lot Gate Access with Accurate Detection
$48.95 Save $25.05 RRP: $74.00
Set of 25 Rivet Nuts Inserts for Door Alarm Sensors, 2.90X1.60X1.60CM, Compatible with Garage Door Expansion Nut Systems
$28.95 Save $14.00 RRP: $42.95
Door Window Alarm with 125dB Loud Alert, Easy Install Home Security Sensor in White Finish
$16.95 Save $7.00 RRP: $23.95
Door Window Contact Sensor RC33 Recessed Wired Magnetic Reed Switch White 10 Pack Security
$25.95 Save $11.00 RRP: $36.95
Rolling Door Magnetic Contact Garage Door Reed Switch with Easy TwoWire Connection OC55
$17.95 Save $8.00 RRP: $25.95
Door Contact Sensor for Access Control, Reliable Detection, Single and Double Door Support
$29.95 Save $13.00 RRP: $42.95
Gefriertur Alarm Smart Door Sensor With Voice Alarm For Window, Room, Store, Home, School, Business Security
$74.00 Save $35.00 RRP: $109.00
Kuhlschranktuer Alarm Open Door Alarm Voice Alarm Sensor For Refrigerator Door Window And Room Security
$23.95 Save $12.00 RRP: $35.95
Freezer Door Alarm With Intelligent Sensor, Voice Alarm, Ajar Reminder For Home, Storefront
$20.95 Save $11.00 RRP: $31.95
Freezer Door Alarm with Clear Voice Alert, Smart Sensor for Refrigerator Energy Saving Security
$94.00 Save $55.00 RRP: $149.00
Kuehlschranktuer Alarm Compact Fridge Door Sensor With Voice Alert For Home Office School And Rooms With Windows
$23.95 Save $12.00 RRP: $35.95
Wireless ZigBee Sensors For Door And Window Security Alerts, ZigBee Compatible, Home Automation
$23.95 Save $12.00 RRP: $35.95
Door Alarm On Opening, Freezer Sensor, Voice Alert, Window And Room Sensor For Home Office School Security
$23.95 Save $12.00 RRP: $35.95
APP Vibration Sensor For Smart RealTime Motion Alerts Shock Alarm History Tracking 4Piece Pack
$64.00 Save $30.00 RRP: $94.00
Magnetic Switch NC Normally Closed Waterproof Micro Alarm For Door Window Sensor, High Precision Electronic Component
$25.95 Save $13.00 RRP: $38.95
Window Alarm Sensor: High-Decibel Alarm, Magnetic Safety Trigger, Wireless, Portable, Door/Window Bell Mode
$17.95 Save $9.00 RRP: $26.95
Door Handle Alarm with 120dB Touch Sensor, AntiTheft Vibration Trigger for Travel, Kids, Elderly, Bedroom, Hotel Security
$17.95 Save $8.00 RRP: $25.95
Zigbee Wireless Window Alarm Sensor for Tuya Living Room And Front Door Security System Status Detector Accessories
$54.00 Save $30.00 RRP: $84.00
Refrigerator Door Alarm Open-Door Alert Compact Sensor With Voice Alarm For Home, Office, School, And Rooms With Windows
$23.95 Save $12.00 RRP: $35.95
Refrigerator Door Alarm Freezer Alarm, Compact Sensor With Voice Alert For Home, Office, School, And Rooms With Window
$31.95 Save $16.00 RRP: $47.95
Smart Home Vibration Sensor Door Breakage Detector With Remote WiFi Alarm Zigbee Version Long Battery Life
$89.00 Save $40.00 RRP: $129.00
Vibration Sensor Modules 10 Pcs Enhanced Trigger Duration Reliable Output Signals For Vibration Detection Tasks
$15.95 Save $8.00 RRP: $23.95
5 Pairs MC38 Wired Door Window Magnetic Sensor Contact Switch for Home Security Alarm
$20.95 Save $11.00 RRP: $31.95
Door and Window Alarm with Smart Voice Alert, 4 Modes, Adjustable Volume for Home, Pool, Garage
$19.95 Save $7.00 RRP: $26.95
Door Window Security Sensor 2.5 Inch White Magnetic Contact NO NC Reed Switch Alarm Dual Mode
$48.95 Save $25.05 RRP: $74.00
Trip Wire Alarm 82ft Reusable Weatherproof Security Wire Reel for Camping Survival and Farm
$14.95 Save $8.00 RRP: $22.95
2PCS Wired Door Window Contact Sensor, Recessed Magnetic Reed Switch Alarm for Home Security, White
$16.95 Save $7.00 RRP: $23.95
120dB Door Window Alarm 4 Pack with 4 Modes, Easy Install for Home Security and Kids Safety
$34.95 Save $14.00 RRP: $48.95
Magnetic Door Contact Sensor for Roller Door Alarm Zinc Alloy Reed Switch Single Pack
$17.95 Save $8.00 RRP: $25.95
Smart Vibration Sensor 2pc Wireless Motion and Shock Detector with RealTime Security Alerts
$34.95 Save $17.00 RRP: $51.95
Wired Door Sensor Alarm Magnetic Reed Switch, Surface Mount, Normally Open, White
$16.95 Save $7.00 RRP: $23.95