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Security System Sensors

Shop the best prices on 242 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on Dahua, TP-Link, Yale and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United States.

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33 - 64 of 242
Parking Assistant Alarm Wall Mounted Garage Parking Sensor with 3-Color LED Traffic Light for Timely Detection and Flashing Signal
$64.00 Save $30.00 RRP: $94.00
Refrigerator Door Alarm Open Alarm with Adjustable Voice Notifications Window Sensor, Voice Warning Door Lock Reminder for Garage Cellar
$20.95 Save $10.00 RRP: $30.95
Freezer Door Alarm Adjustable Voice Warnings Window Opening Alarm With Window Sensor Door Closing Reminder For Garage Cellar
$20.95 Save $10.00 RRP: $30.95
Freezer Door Alarm With Door Opener Sensor And Voice Alert Compact Sensor For Window And Room Home Or Office
$20.95 Save $10.00 RRP: $30.95
Freezer Door Alarm Compact Voice Alert Door Sensor For Home, Office, School, And Rooms With Windows
$23.95 Save $11.00 RRP: $34.95
Refrigerator Door Alarm And Freezer Alarm | Compact Sensor With Voice Alert For Home, Office, School, Windowed Rooms
$23.95 Save $11.00 RRP: $34.95
Door Window Sensors Open/Close Detection Wireless Magnetic Sensor Smart Life Compatible Multifunctional Security Alarm
$21.95 Save $11.00 RRP: $32.95
Smart WiFi Vibration Detection Sensor Sensitivity Alarm App Compatible 2Pack Motion Monitoring
$37.95 Save $21.05 RRP: $59.00
E3Z-R61 NPN Photoelectric Beam Sensor with Bracket
$22.95 Save $28.00 RRP: $50.95
Alarm Touch Sensor 120 DB Wireless Security Door Knob Alarm for Home Office Shop Bank Portable Anti-Theft Black
$20.95 Save $10.00 RRP: $30.95
12V PC CPU Fan Temperature Control PWM Speed Controller Module with Alarm Buzzer Sensor and Plastic Shell
$14.95 Save $7.00 RRP: $21.95
Wireless Door For Window Sensor Alexa Compatible, 2.4GHz Connectivity, Power Display, Alarm Management, Home Automation
$17.95 Save $9.00 RRP: $26.95
Foam Sealing Tape 50 Feet Waterproof Weatherproof for Doors and Windows Insulation Home Use Black Color
$30.95 Save $15.00 RRP: $45.95
Fake TV Simulator with Light Sensor - Home Security Device Imitates TV Activity to Deter Burglars When Away
$64.00 Save $35.00 RRP: $99.00
Wifi Wireless Security Sound And Light Alarm Alarm,0780
$64.00 Save $65.00 RRP: $129.00
Wide Applications Door Alarm Sensor 125 dB Home Security Window Alarm Random Colour for Enhanced Protection
$17.95 Save $9.00 RRP: $26.95
WiFi Door Peephole Camera 2.4G 5G 1080P HD Wide Angle Lens 2 Way Talk Motion Detection Electronic Door Viewer for Home Silver
$59.00 Save $30.00 RRP: $89.00
10 Sets Magnetic Reed Switch DC100V NC Recessed Wired Door Window Sensor Switch for Alarm System MR‑38
$13.95 Save $4.00 RRP: $17.95
5 Mini White Recessed Door Contacts NC Security Alarm Sensors for Windows and Doors with Magnetic Reed Switch Compatibility
$15.95 Save $6.00 RRP: $21.95
120DB Loud Door Knob Anti Theft Security Alarm Wireless Touch Sensor 9V Powered Ideal For Home Office Factory
$15.95 Save $8.00 RRP: $23.95
Tuya Smart Zigbee Door Magnet And Light Sensor, Window Open Detection, ABS, Memory Lighting, Alarm Sensor, 1 Set
$59.00 Save $30.00 RRP: $89.00
Extremely Loud Wireless Alarm Door Handle Alarm 120dB Wireless Home Security Touch Door Sensor Anti Theft Security Alarm
$17.95 Save $9.00 RRP: $26.95
WiFi Door Alarm Sensor With Magnetic Sensor Zigbee Compatible Tuya Smart Home Security Door Sensor
$47.95 Save $26.05 RRP: $74.00
Tuya Zigbee Wireless Window Alarm for Home, Living Room, Bedroom, Remote Control WiFi Door Gate Closing Sensor Accessories
$20.95 Save $10.00 RRP: $30.95
Fenster Open Alarm Intelligent Door Sensor Alarm, Loud Voice Reminder Unit
$20.95 Save $10.00 RRP: $30.95
2-Pack Magnetic Contact Sensors for Door and Window Alarm System, Wired Security Solutions for Home Protection
$14.95 Save $7.00 RRP: $21.95
Door Wireless Touch Sensor Alarm, 120 dB Anti-Theft Security for Home, ABS Material, Compatible with Windows and Doors
$15.95 Save $8.00 RRP: $23.95
Wireless Window Door Alarm Sensor, 110 dB Entry Alert, 4 Modes, Magnetic Break-In Protection for Home, Office, Garage
$17.95 Save $9.00 RRP: $26.95
Vibration Sensor For RealTime Door And Window Monitoring, Tuya Smart App Compatible, Wireless Home Security Sensor
$26.95 Save $13.00 RRP: $39.95
Magnetic Door Window Sensor Switch, 2 Wired Alarm Contacts, Home Security System for Burglary Detection
$14.95 Save $7.00 RRP: $21.95
Light Sensors Intelligent Built In Low Battery Alerts Miniature Thread Activated Ambient Light Sensor For Furniture
$31.95 Save $16.00 RRP: $47.95
Magnitic Switch Normally Closed Nc Micro Alarm for Door and Window Sensor Arrival
$14.95 Save $7.00 RRP: $21.95