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Security System Sensors

Shop the best prices on 11,432 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 Singapore.

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97 - 128 of 3,200
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 $37.95
Anti-Thief Wireless Door Alarm Abnormal Door Opening Immediate Alarm_i*
From $10.95
5 Pcs Mc-38 Wired Door Window Sensor Magnetic Switch compatible withHome Alarm System,When Sensor Together,Normally Closed Nc
From $20.95
315MHz/433Mhz Alarm Detector for Home Security Vibration Alarm with Indicator Wireless Vibration Door Sensors Alarm Multicolor
From $45.95
Smart WiFi Window Door Vibration Alarm Sensor 130dB Burglar Alarm Ultra-thin
From $33.95
(New) DOBERMAN SE-0106 Ultra-slim Round Door / Window Alert Detect Vibration Sensor Alarm for Home Alarms Security
From $29.95
TL-W5MC1 NPN NO 5mm Inductive Proximity Sensor Detection Switch 3-Wire DC 12-24V
From $14.95
Magnetic Door Window Contact Sensor Alarm Wired-Security Home Burglars Alarm NO/NC Magnetic Switchs Easy to Install
From $20.95
Wired Metal Door Window Magnetic Contact Sensor Detector Switch Alarm Home Garage Security Kit 25-26
From $40.95
2Pcs Tuya Zigbee Smart Siren Alarm Temperature Humidity Sensor Home Security with Strobe Alerts Works With TUYA Smart Hub 2025
From $74.00
Infrared Photoelectric Beam Sensor Barrier Detector Alarm System for Revolving Sliding Automatic Door
From $54.00
Door Magnetic Sensor Wireless Window Open Detector Electronic AntiTheft Burglary Device
From $17.95
High- Zer Door Alarm With 3/15/30/60 Frid/pool Door Al For Ld Safety Home Ow Alarm Door
From $79.00
High- Zer Door Alarm With 3/15/30/60 Frid/pool Door Al For Ld Safety Home Ow Alarm Door
From $79.00
Wired-Magnetic Door Window Contact Sensor Waterproof Door Window Sensors Detector compatible withHome Security Alarm System Multicolor
From $31.95
12/24V Photocell Sensor Beam Sliding Door Safety Photocell Infrared Cell
From $38.95
2 Pack Freezer Door Alarm, Window Security Alarm
From $64.00
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White - (6 Sets)
From $24.95
Système de sécurité domestique antivol avec capteur magnétique et alarme sans fil 433 MHz-cr
From $21.95
Infrared/IR Beam Detector Sensor for Perimeter Protection Outdoor Security System
From $19.95
Tuya Diameter 12MM Wide Angle Fisheye Dual Frequency WiFi Door Eye Silver+Black
From $74.00
Tuya WiFi Smart Vibration Sensor Motion Detection Real-Time Remote Monitor Alarm for Home Window Dra
From $15.95
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
From $15.95
90DB Built-in Siren Sound and Light Sensor Compatible with Tuya Smart Life
From $48.95
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs
From $24.95
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
From $16.95
Tuya Smart ZigBee 3.0 Smart Temperature and Humidity Sensor Battery Powered Security with Tuya Smart Life App Alexa(B)
From $34.95
Smart WiFi Door and Window Alarm Sensor with Open/Close Detection Function, Remote Anti-Theft Alarm
From $23.95
Split Type Door and Window Sensor Door Magnet Sensor 60 Songs Protection Security Anti-Theft Volume Reminder EU White
From $22.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (30 Sets)
From $34.95
Zigbee Smart Vibration Sensor,Real Time Monitoring,Door Window Vibration Detection Siren for Home,App Remote Control
From $19.95
Wireless Door Window Sensor Anti Theft 108 DB Easy Installation Security Alarm for Home Cabinet
From $21.95