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Security System Sensors

Shop the best prices on 8,870 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Hsmy and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,401 - 2,432 of 3,200
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
From $37.95
Door Alarm Loud Sensor for Home Security 5Pcs White Plastic Doorbell Chime
From $26.95
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open_
From $20.95
Steel Swivel Eye Hook With Se 2 Ton Round Fixed Eye Lifting Hook Hook For Ship Building Ru
From $54.00
8pcs Mini Electret Condenser Microphone for Security System, Waterproof Sensitivity Detection
From $19.95
Wireless Door Alarm with Adjustable Delay, 4-in-1 Magnetic Sensor Chime, 108 dB Loud Alert for Refrigerator, Freezer, Window, Cabinet
From $29.95
Anti-Theft Security for Roller Shutter Doors: Wired Mount Magnetic Contact Sensor – NO/NC Switch Compatible for Home Use
From $14.95
Wireless Security Protection: 10 Pack Window Alarm with Magnetic Door Sensor for Home Security System & Pool Doors
From $38.95
Magnetic Curtain Door Sensor with 5m Wired Detector for Garage Door Opener Accessories
From $20.95
Enhanced Vers Listen Sound Amplifier With 180mah For S-Good
From $94.00
Wireless Door Alarm With Remote, Windows Open Alarms,home Security Sensor, Pool Alarm For Kids Safety, Prevent Robbery (2-dwdz
From $84.00
2-Pack IR Beam Detectors,20m Weatherproof Security Sensors for Door/Window Intrusion Alarm Systems bBang
From $45.95
4X Camping Perimeter Alarm 125DB Loud Tripwire Motion Sensor Multiple Modes Easy Setup Security_LJL2
From $149.00
10 Sets Magnetic Reed Switch DC100V NC Recessed Wired Door Window Contact Sensor Switch for Alarm Sy
From $29.95
Wireless Home Security Entry Alarm System, 6-Pack, for Doors & Windows
From $69.00
2pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
From $31.95
5X Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home Security
From $64.00
26-27 2 Sets Magnetic Door Wired NC NO Normally Open Closed Door Contact Switch for Home Security 100V DC
From $14.95
Smart Zigbee Vibration Motion Sensor App Control Security Protection Motion Shock Alarm ZG-103ZL
From $28.95
Smart Zigbee Vibration Motion Sensor App Control Security Protection Motion Shock Alarm ZG-103ZL
From $33.95
Security Alarm, Burglar Wireless Security Alarm System 90dB Alarm Ultra-Long Standby Magnetic High Volume Input for Home
From $30.95
12V Dual Wire PIR Motion Detector, Infrared Sensor Alarm
From $30.95
Infrared Sensor Photocell For Gates Security Gate Motion Detector Beams Detector Garage Door Barrier Security Infrared Sensor_LMH1
From $26.95
R10 Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)
From $129.00
Safety Light Curtain Infrared Light Screen Sensor Safety Grating Variable Frequency with Alarm 8?33V DC 10m / 32.81ft
From $159.00
WIFI home and hotel door and window glass detector, vending machine anti-theft alarm, vibration sensor alarm compatible
From $64.00
Wired Magnetic Switch Alarm Sensor 1 Sets for Overhead Garage Door Installation
From $69.00
ELECTOP Refrigerator Door Alarm Magnetic Security Sensor Windows Open Alarms 60 Seconds Delay Loud 96 dB compatible with Home, Store, Offic
From $20.95
TV simulator, low power automatic on/off, 4 modes timer, holiday anti-theft deterrent
From $32.95
Tuya WiFi SOS Panic Call Button Smart Life APP Rechargeable Battery One Key Alarm for Patient Kids Elderly Man
From $25.95
Voice Sensor Reminder Indoor Security Device Recorded Voice Door Alarm Anti-Lost Key Reminder Wall Mount Entry Key Alarm
From $12.95
Tuya WiFi Human Presence Sensor 24G 5V MMwave Radar with Siren Alarm Motion Detection Smart Life Home Automation DIY
From $37.95