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Security System Sensors

Shop the best prices on 13,755 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Gze and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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2,561 - 2,592 of 3,200
Overcurrent Protection Sensor Module AC Current Detection 24V Relay 5A 20Hz~400Hz
From $17.95
10 Sets Recessed Wired Security Window Door Sensor DC100V 10W Magnetic Door Sensor for Access Contro
From $64.00
Magnetic Door Window Contact Sensor Alarm Wired-Security Home Burglars Alarm NO/NC Magnetic Switchs Easy to Install
From $28.95
Sensor Bar Compatible With Wii, Replacement Wired Infrared Ray Sensor Bar
From $21.95
Light Curtain Sensor Switch Safety Light Grating Security Device(12 Beams BEM1240C440NB)
From $249.00
Flashing LED Stop Sensor With Adjustable Stand Auto Parking Detector For Garage Port
From $74.00
DOBERMAN SE-0137 4 in 1 Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm Set
From $64.00
DOBERMAN SE-0119 Household Anti-theft Wireless Remote Control Door Magnetic Sensor Alarm
From $59.00
Bluetooth Multifunction Gateway Smart Home Door and Window Sensor Socket Control Center
From $74.00
Door Security Alarm, Door/Window Sensor, 120dB Touch Sensor Door Handle Alarm Anti-theft Vibration Window Burglar Alert Home Security
From $30.95
Pack of 3 10 W Water Level Sensors, PP Side-Mounted Horizontal Liquid Float Switch, Water Liquid Level Sensors for Tank Pool, Aquarium
From $27.95
Anti-Theft Alarm for Refrigerators and Freezers with Door Window Left Open Reminder and 30-Second Beep Alert
From $74.00
Wireless Door and Window Alarm - 4 Pack Magnetic Security Sensor for Home Anti-Theft Protection - 100 dB Loud Alarm
From $37.95
Home Security Wireless Remote Control Door Window Siren Magnetic Sensor Alarm Warning, 1 Remote Controller + 2 Magnetic Sensors
From $49.95
C100 125dB Vibration Sensor Alarm Door and Window Alarm Home Personal Anti-theft Alarm(Black)
From $26.95
Infrared Beam Detector/ir Beam Sensor For Perimeter Protection Abo-10f
From $439.00
10pcs Surface Mount Wired NC Door Contact Sensor Alarm for Door Window Cabinets
From $31.95
Magnetic Sensor Magnetic Switch Sensor Window Door Alarm Security Detector Wired Contact Magnetic Wide Gap for Home Garage-Yvan
From $36.95
DC1224V Infrared Gate Sensor Outdoor Waterproof Photocell Beam Detector for Automatic Garage Door
From $36.95
Wireless Window/Door Open 52 Chime Entry Security Alarm Doorbell Magnetic Sensor
From $79.00
Wireless Door Window Alarm Sensor Anti Theft 108 DB Easy Installation Security Alarm for Home Cabinet
From $33.95
Tuya Zigbee Temperature and Humidity Sensor
From $13.95
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
From $19.95
1/2" Dn15 & 3/4" Dn20 Brass Water Fountain Nozzle Spray Sprinkler Head
From $30.95
2pack Tuya Zigbee Smart Window Door Gate Sensor Detector Smart Home Security Notification Alarm For
From $36.95
DOBERMAN SE-0710 Oval Home Security Door Window Magnetic Sensor with Loud Alarm Anti-Theft
From $18.95
2025 Latest Model Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home
From $129.00
3 Packs Magnetic Door Window Sensors, Black Flush Mount Reed Switches for Security Systems, NO/NC Wiring for Access Control and Alarm Replacement
From $69.00
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
From $19.95
Elektroweb Sensor Magnetic Contact Opening Sensor Mc-38 No szrh
From $33.95
Light Sensor Cable DC 5V 12V USB Auto-on Night Light for Home Security
From $8.95
Door And Window Opening And Closing Sensor Smart Home Meter Linkage Door Magnetic Automatic Alarm Remote Control
From $109.00