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Security System Sensors

Shop the best prices on 10,958 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Other and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1,185 - 1,216 of 3,200
Wifi Smart Door Sensor Window Door Open Closed Detectors Smart Home
$23.95 Save $65.05 RRP: $89.00
Covered Rat & Chipmunk Traps, Prevents Accidental Triggering With Tunneled Design, Quick Humane Kill, Indoor 'n Outdoor Mouse Snap Traps Woosien
$23.95
I/O Expansion Board Electronic DIY Sensor Modules Fit for R3 Industrial Components
$16.95 Save $20.00 RRP: $36.95
Sensor Elektroweb Mc-38 No
$37.95 Save $31.05 RRP: $69.00
SONOFF SNZB-01P Wireless Zigbee Button Smart Remote 2-way Control Switch SOS Emergency Call Button Works With Alexa EWelink Hub
$199.00 Save $160.00 RRP: $359.00
Intelligent surrounding Light Sensors Intelligent Light Detection Device Small ABS Housing Light Detectors Tool For Indoor Space Multicolor
$52.95
Wireless Electric Doorbell Kit With 1 Receiver And 1 Pir Motion Detector Sensor Alarm Visitor Security Alarm With Music Melody
$44.95 Save $39.05 RRP: $84.00
Wire Door Magnetic Switches for Office Home Security Recessed Wire Window Door Contact Sensors Alarm Magnetic Switches White
$25.95
Wireless Vibration Alarm 120dB Alarm Sound Safe Prevent Theft Door Window Alarm Sensor for Home
$17.95 Save $5.00 RRP: $22.95
8pcs New Longer Door Window Wireless Burglar Alarm With Magnetic Sensor Home Safety Wireless Longer System Security Device-yvan
$21.95 Save $27.00 RRP: $48.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
$51.95 Save $17.05 RRP: $69.00
Adjustable Temperature 1080w Welder Hot Station Hair Dryer Soldering Iron Welding Heat Gun Amp; 2 Nozzle Amp; Roller
$52.95
Tuya Wifi Smart Door Sensor Window Entry Sensor with Scene Interaction Button Smart Life for APP Remote Control
$18.95 Save $9.00 RRP: $27.95
Fake TV Simulator with Light Sensor - Home Security Device Imitates TV Activity to Deter Burglars When Away
$94.00 Save $45.00 RRP: $139.00
BERM Proximity Switch 3‑Wire Cylindrical Detection Sensor Controller PRL18-5DP 10-30VDC
$22.95 Save $28.00 RRP: $50.95
2xBedwetting Alarm Urine Sensor Nocturnal Enuresis Pee Alarms for Kids Adults
$79.00 Save $5.00 RRP: $84.00
Wifi Temperature Humidity Sensor Wireless Temperature Detecor Home Smart Sensors Support Alexa Google Home
$69.00 Save $40.00 RRP: $109.00
Garage Door Bracket for 2nd Gen Contact Sensors - Security Accessory (Sensor Not Included)
$32.95
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Securi
$32.95 Save $8.00 RRP: $40.95
Magnetic Door Window Contact Sensor Alarm Wireds Security Home Burglars Alarm Magnetic Switches Easy to Install
$30.95
Smart Welcome Doorbell with 120 Degree Viewing Angle and Motion Detection for Retail Establishments
$14.95 Save $2.00 RRP: $16.95
glass break detector, window alarm with 125db alarm, glass vibration sensor alarm for your home, office (2 pieces)
$41.95 Save $12.05 RRP: $54.00
DOBERMAN SE-0119 Household Anti-theft Wireless Remote Control Door Magnetic Sensor Alarm
$43.95
Wireless Door Alarm With Remote Windows Open Alarmshome Security Sensor Pool Alarm For Kids Safety Sliding (2 Pack)
$34.95 Save $69.05 RRP: $104.00
5 Set Wireless Burglar Alarm Door and Window Magnetic Sensor Alarm
$11.95
M5STACK RFID 2 Unit Mini RFID Reader Sensor WS1850S Radio Frequency for Smart portation
$14.95 Save $69.05 RRP: $84.00
5X Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Hom
$35.95 Save $28.05 RRP: $64.00
Video Doorbell 4 – Enhanced Wifi, Improved Motion Detection, Easy Installation With Playhardest Cleaning Cloth
$74.00 Save $65.00 RRP: $139.00
Pair Universal Infrared Photocells For Automatic Outdoor Sensor For Garage Gate 12v-24v Ac Dc
$69.00 Save $60.00 RRP: $129.00
Capacitive Touch Sensor TTP223B 1-Channel Blue Digital Module
$31.95 Save $15.00 RRP: $46.95
Tuya Door Sensor Smart Home Security Window Detector Door Sensor Switch Handle Window Alarm Contac
$7.95 Save $3.00 RRP: $10.95
Infrared+Microwave Sensor Ringtones Receiver Home Protection Doorway Detector Garage Alarm Preventi
$44.95 Save $84.05 RRP: $129.00