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Security System Sensors

Shop the best prices on 9,890 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Yale and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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161 - 192 of 3,200
Infrared Sensor Doorbell Wireless Trigger Alarm Door Entry Welcome Doorbell for Shop Office
$38.95 Save $13.00 RRP: $51.95
Vibration Sensor Detector Alarm Monitor Wireless Automation Control for Home Office
$25.95 Save $11.00 RRP: $36.95
Zigbee Smart Vibration Sensor,Real Time Monitoring,Door Window Vibration Detection Siren for Home,App Remote Control
$14.95
Remover Clothing Tag Remove/ Tag Detacher
$30.95
Wireless Door Opening Contact Sensor Alarm with Buzzer
$84.00 Save $20.00 RRP: $104.00
Freezer Door Alarm When Left Open,fridge Door Alarm With Delay Upgrade 3/15/30/60 Seconds Security, Adjustable Delay Wireless Fridge Alarm Door Open C
$99.00 Save $30.00 RRP: $129.00
Vibration Alarm Security Device Export
$79.00 Save $15.00 RRP: $94.00
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alar
$52.95
Utp 4 Channel Passive Video Balun Transceiver
$33.95
Tuya WiFi Smart Door Sensor Wireless Magnetic Door Window Open Closed Detectors 26s
$51.95 Save $52.05 RRP: $104.00
Sensor Elektroweb Mc-38 No 2025
$8.95 Save $8.00 RRP: $16.95
Security Door Sensor & Wireless Door Chime, 433MHZ for Home and Office 2025
$20.95 Save $21.00 RRP: $41.95
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
$27.95 Save $21.00 RRP: $48.95
DC12V Infrared Photocell Beam Sensor Automatic Gate Door Garage Shutter Barrier Detector for Door Wi
$23.95 Save $7.00 RRP: $30.95
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches compatible Enhanced Home Safety B
$27.95 Save $31.05 RRP: $59.00
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security
$16.95 Save $3.00 RRP: $19.95
Wired Door Window Magnetic Security Alarm Contact Sensor Detector Reed Switch
$59.00 Save $25.00 RRP: $84.00
Single White Beam Photoelectric Sensor Detector Beam 10m/30FT Distance for Auto-Door
$35.95 Save $8.00 RRP: $43.95
WiFi Vibration Sensor with RealTime Alerts, Sensitivity Wireless Motion Alarm for Door Tamper Detection, 1pc
$26.95 Save $14.00 RRP: $40.95
Tuya APP Door Open/Closed Detectors Security Protection ZigBee Alarm Detector 2.4GHz Wireless Window Door Gate Sensor
$20.95 Save $10.00 RRP: $30.95
Photocell Infrared Sensor Detector for Automatic Gate Obstacle Detector Anti-Theft Alarm System
$17.95 Save $11.00 RRP: $28.95
Door and Window Sensors 5pcs MC-38 Recessed Wired Door Window Sensor Door Window Alarm Magnetic Switch
$35.95 Save $103.05 RRP: $139.00
High Durability Magnetic Door Window Sensor - Wired NC Security Alarm for Home Safety
$47.95
Door Open Alarm Smart Door Window Sensor Smart Home Door Detectors Door And Window Burglar Alarms
$16.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$24.95 Save $8.00 RRP: $32.95
Touch Sensor Door Handle Alarm Anti Theft Vibration Window Burglar Alert Home Security Door Alarm A
$29.95 Save $10.00 RRP: $39.95
Passage Alarm, Shop Bell, Wireless Alarm System With Motion Detector, Access Gift-AC
$64.00 Save $40.00 RRP: $104.00
Normally Closed Magnetic Window Door Safety Alarm Switch with Metal Housing Durable Security Sensor for Home Protection
$10.95 Save $5.00 RRP: $15.95
Wireless Mini Door Window Alarm 433Mhz Magnetic Sensor Home Security Anti-Theft Sound Easy Installation Low Voltage for Garage Apartment
$14.95 Save $8.00 RRP: $22.95
2026 new Garage Door Bracket for Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accesso
$21.95 Save $18.00 RRP: $39.95
433MHz Door Magnetic Contact Switch Wireless Sensor Detector Switch for Home Garage Alarm Security
$21.95 Save $13.00 RRP: $34.95
Rain Snow Sensor,Switch Type 485 Rain and Snow Transmitter Detection Densor
$64.00 Save $20.00 RRP: $84.00