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Shop the best prices on 10,756 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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2,753 - 2,784 of 3,200
Waterproof Silicone Case for Google Nest Cam Outdoor/Indoor Battery - All-Weather Protective Sleeve Cover (White)
$20.95 Save $11.00 RRP: $31.95
WiFi Door and Window Sensor, Smart Life App Remote Control, Magnetic Intruder Alarm, Compatible with Home Security Systems
$33.95 Save $16.00 RRP: $49.95
WiFi Vibration Sensor Detector for Home Security Alarm with Real-Time Motion Shock Detection, Low Power Consumption, White
$99.00 Save $50.00 RRP: $149.00
Intelligent WLAN Vibration Sensor with Adjustable Sensitivity, Real-Time Shock Alarm, 70 x 24.5 x 21 mm
$29.95 Save $14.00 RRP: $43.95
Output Button Switch For Access Control System Door Exit Button With Touch Trigger Sensor Switch Door Frame Compatible
$39.95 Save $19.05 RRP: $59.00
Hagen Door Alarm Portable Wireless Touch Sensor 120 dB Black Anti-Theft Loud Door Knob
$24.95 Save $13.00 RRP: $37.95
Magnetic Door Induction Alarm, Wired Iron Door Magnetic Switch, Concealed NO/NC Sensor, White
$79.00 Save $40.00 RRP: $119.00
Intelligent Door Sensors with Remote Control and Voice Command, ABS Window Sensors for Home Security
$54.00 Save $30.00 RRP: $84.00
Wear-Resistant Door Window Sensors for Burglary Detection, Multifunctional Security Alarm Accessory Compatible with Consumer Electronics
$31.95 Save $15.00 RRP: $46.95
WiFi Door Sensor - Wireless Motion Detector for Windows and Doors, Home Security App with Open/Close Alerts and Automation
$89.00 Save $50.00 RRP: $139.00
Wired Metal Door Window Magnetic Contact Sensor Detector Switch Alarm Home Garage Security Kit
$15.95 Save $38.05 RRP: $54.00
120dB Wireless Touch Sensor Anti-Theft Security Alarm for Door Knob - Loud, Easy to Install, Battery Operated, Durable Design
$24.95 Save $13.00 RRP: $37.95
Stainless Steel Float Switch for Tank Liquid Water Level Sensor Double Ball Float Switch for Tank Pool Flow Sensors
$30.95
Stylish & Practical Door Handle Effective Iron Gate Magnetic Sensor Homes & Office Door Window Alarm Simple Installation
$36.95
Stainless Steel Float Switch for Tank Liquid Water Level Sensor Double Ball Float Switch for Tank Pool Flow Sensors
$30.95
2Sets Overhead Garage Door Contacts Wired Magnetic Switch Alarm Sensor with Armored Wire Leads and Adjustable Bracket
$23.95 Save $40.05 RRP: $64.00
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Securi
$19.95 Save $54.05 RRP: $74.00
Glass Break Detector, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office (2 Pieces),_c0.1157 hwy
$44.95
Tuya Smart WiFi Alarm Door and Window Vibration Sensor Security Protection Alert Works with Alexa, Smart Life(White) Edition a
$29.95 Save $49.05 RRP: $79.00
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home S Edition 0704
$10.95 Save $22.00 RRP: $32.95
Wireless Window Door Sensor, Magnetic Contact Switch, AC220V 2500W, Ideal for Extractor Hoods and Ho Edition 0704
$18.95 Save $26.00 RRP: $44.95
2 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open SZRH A-X
$109.00 Save $110.00 RRP: $219.00
Wireless Electric Doorbell Kit With 1 Receiver And 1 Pir Motion Detector Sensor Alarm Visitor Security Alarm With Music Melody Edition
$35.95 Save $53.05 RRP: $89.00
Stainless Steel Float Switch for Tank Liquid Water Level Sensor Double Ball Float Switch for Tank Pool Flow Sensors
$30.95
Door Window Alarm for Kids Safety,Wireless Door Alarm for Home Security Personals Security Window Alarms Sensors Burglar
$22.95
Stainless Steel Float Switch for Tank Liquid Water Level Sensor Double Ball Float Switch for Tank Pool Flow Sensors
$30.95
Door Open Alarm Smart Door Window Sensor Smart Home Door Detectors Door and Window Burglar Alarms
$9.95
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White - (6 Sets)
$31.95 Save $22.05 RRP: $54.00
Beam Gate Photocells Infrared Sensor - Garage Gate Blind - 12V/24V AC DC unbrand
$59.00 Save $20.00 RRP: $79.00
Zigbee Smart Rain Sensor for Outdoor Wireless Rain Detection Waterproof, Zigbee Hub Required,Linka SZRH A-W
$21.95 Save $29.00 RRP: $50.95
Magnetic Clothing Security Tag Remover, Hard & Security Tag Detacher for Retail Stores
$14.95 Save $12.00 RRP: $26.95
2 Pack Window Door Alarm, 110dB Wireless Anti-theft Magnetic Sensor
$46.95 Save $62.05 RRP: $109.00