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Shop the best prices on 10,689 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,817 - 2,848 of 3,200
2025 Wireless Home Doors Windows Security Entry Alarm System Pack 6
$25.95 Save $26.00 RRP: $51.95
Door Handle Alarm Wireless 120dB Touch Door Sensor Window And Door Alarm For Home Security
$24.95 Save $13.00 RRP: $37.95
Freezer Door Alarms, Window Security Alarm, Wireless Fridge Alarm, 4 in 1 Door Sensor Doorbell Loud Door Opening Alarm 108dB
$47.95 Save $11.05 RRP: $59.00
Wifi Smart Door Sensor Window Door Open Closed Detectors Smart Home
$23.95 Save $65.05 RRP: $89.00
120dB Touch Sensor Security Alarm Home Travel Door Window Burglar Alert
$16.95 Save $13.00 RRP: $29.95
Intelligent Light Detection Device Wireless Home Automation Integration Small Designs Low Power Sensors for Home
$49.95
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
$15.95 Save $5.00 RRP: $20.95
Glass Break Detector, Window Alarm with 125dB Alarm, Glass Vibration Sensor Alarm for Your Home, Office (2 Pieces),_c0.1157 hwy
$44.95
Proximity Switch Universal Approach Sensor Waterproof 3 Wire Accessory DC6?36V M18TOSD?04?503 NPN Normally Open
$79.00
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
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home S Edition 0710
$7.95 Save $25.00 RRP: $32.95
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
Intelligent Audios Detection Sound Monitor Embedded in Security Camera Triggering Alarms on Suspicious Sounds Automatically Multicolor
$17.95
Tuya ZigBee 3.0 Window Door Gate Sensor Detector Controlled Via Smart Life App for Home Black
$20.95 Save $3.00 RRP: $23.95
Tuya ZIGBEE Wall Emergency Button APP Smart Home Sensor 8x6 ZigBee Intelligent Remote Alarm
$29.95 Save $2.00 RRP: $31.95
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP
$22.95
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 2M
$20.95 Save $1.00 RRP: $21.95
Tuya Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection
$34.95 Save $5.00 RRP: $39.95
5-Level Sensitivity Adjustment Window Glass Break Vibration+Magnetic Door Sensor, Requires Alarm Ho
$35.95 Save $6.00 RRP: $41.95
Door And Window Sensors, Wifi Door Alarm Remote Control, Sends Alerts, Entry Burglar, Triggers Siren, Magnetic Door Alarm1set, White)
$69.00 Save $35.00 RRP: $104.00
Tuya Smart WIFI Door Sensor Breaking in Protection Alarm Anti-Theft 90DB Window Open Detector Voice
$18.95 Save $2.00 RRP: $20.95
Tuya ZigBee 3.0 Window Door Gate Sensor Detector Controlled Via Smart Life App for Home White
$20.95 Save $3.00 RRP: $23.95
White Wired Security Door and Window Sensor Alarm with Magnetic Switch (10 Sets)
$21.95 Save $13.00 RRP: $34.95
Split Type Door and Window Sensor Door Magnet Sensor 60 Songs Protection Security Anti-Theft Volume Reminder EU White
$21.95 Save $16.00 RRP: $37.95
108dB Loud Door Sensor Alarm Security Alarm entry alarm for Office Elderly
$18.95 Save $8.00 RRP: $26.95
Tuya WiFi Light Sensor Smart Home Illumination Sensor APP Linkage Control Brightness Detector Illumi
$25.95 Save $38.05 RRP: $64.00
GSM 3G 4G Humidity Temperature Alarm Environmental Monitoring Power Failure Alarm
$219.00 Save $60.00 RRP: $279.00
WSDCGQ11LM White Temp & Humidity Sensor, 1-4 Pieces, 36x36x9mm
$31.95 Save $15.00 RRP: $46.95
Remote Control Door Sensoring Alarm Wireless Magnetic Door Alarm with 140dB Multifunction Home Security for Home Security Multicolor
$44.95
TTP229 16 Channel Digital Capacitive Switch Touch Sensor Module
$12.95 Save $34.00 RRP: $46.95
Wireless Welcome Doorbell Entry Alarm W/sensor Voice Prompter Antitheft For Home Store Hotel Ac100v240veu Plug
$319.00
Solar Wireless Driveway Alarm Door Sensor Infrared Sensor Door Alarm with Digital Display 1 Receiver 1 Motion Detector
$37.95 Save $21.05 RRP: $59.00