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Security System Sensors

Shop the best prices on 11,208 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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2,273 - 2,304 of 3,200
Infrared beam detector for home security alarm system
From $49.95
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
1-10pcs WiFi Smart Door Window Sensor Home Security Alarm Detector For Alexa Google Home
From $44.95
Garage Door Bracket compatible Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door
From $17.95
Light Sensor DC 5V 12V USB Wire Night Auto-on Light Sensor Cable compatible Home Security and Lighti
From $18.95
Tuya Zigbee Solar Light Sensor IP65 Waterproof Outdoor Brightness Detector with Real Time Luminance
From $43.95
Anti-Theft Door Window Alarm Kit with Contact Sensors
From $39.95
1-7pcs Tuya WiFi/Zigbee Door Sensor Window Sensor Smart Home Wireless Door Detector Smart Life APP Remote Control for Alexa Google Home
From $13.95
25-26 Tuya Zigbee Solar Light Sensor IP65 Waterproof Outdoor Brightness Detector with Real Time Luminance
From $31.95
25-26 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless
From $84.00
25-26 WiFi Door Alarm Sensor with 80dB Sound & Visual Alerts, Tuya App Compatible, Push Notifications for Home & Garage Security
From $25.95
25-26 Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
From $24.95
2pcs Garage Door Bracket for Contact Sensor & Ring Sensor Mounting Bracket - Security Accessories for Contact Sensor Systems
From $69.00
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db 2025
From $30.95
For Door Window Open Alarm Wireless Remote Control Magnetic Sensor Chime Anti Theft Home Security Di
From $54.00
E3Z-D61 Diffuse Reflection Infrared Sensor NPN Photoelectric Switch 12-24VDC
From $20.95
TL-W5MC1 NPN NO 5mm Inductive Proximity Sensor Detection Switch 3-Wire DC 12-24V
From $14.95
MC-31 Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch for Window Door Security 10pcs 20pc Screws
From $24.95
E3JKR4M1 ABS Housing Specular Reflection Type Photoelectric Switch Sensor(DC1224V 3500mm)
From $30.95
10 Sets Magnetic Reed Switch DC100V NC Recessed Wired Door Window Contact Sensor Switch for Alarm Sy
From $30.95
2025 For Tuya WiFi Door Sensor Window Sensor Door Magnetic Alarm Detector
From $11.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
From $49.95
Piao Sensor Bar For Wii, Replacement Wired Infrared Ray Sensor Bar
From $11.95
Infrared Beam Detector Burglar Ir Alarm Sensor Alarm System
From $22.95
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More
From $15.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
From $34.95
6-pack wireless anti-theft door and window alarm for home security, diy magnetic sensor
From $29.95
Glass Break Detector, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office (2 Pieces)
From $40.95
Glass Break Detector, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office (2 Pieces)nn
From $33.95
M218E Automatic Door Sensor with 10M Secure Beam Detection and Relay Output for Sliding Doors
From $59.00
4pcs Car Tpms Tire Pressure Monitor Warning System Sensor A0009054100 For - E-class W212 W204 X253 C205
From $44.95
Wireless 433MHz Door Window Magnetic Alarm with Host-Linked Indoor Anti-Theft Sound Light Alarm
From $44.95