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Shop the best prices on 10,968 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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1,217 - 1,248 of 3,200
433MHZ Wireless Infrared Detector Alarm 110 PIR Sensor 25KG Pet Immune Security Alarm
$42.95 Save $41.05 RRP: $84.00
Window Door Alarm Vending Machine Alarm Home Hotel Anti Theft Ultra Slim Shaking Sensor Alarm
$21.95 Save $22.00 RRP: $43.95
Door Magnetic Sensor Wireless Window Open Detector Electronic AntiTheft Burglary Device
$18.95 Save $19.00 RRP: $37.95
DC12V Indoor Wired Infrared Alarm Sensor Dual Technology Anti Theft PIR Motion Detector
$94.00 Save $95.00 RRP: $189.00
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
$109.00 Save $110.00 RRP: $219.00
Wifi Doorbell With Magnetic Triggered Sensor For Window And Door Security 8.20X4.20X1.60cm White 1Set
$41.95
12V PC CPU Fan Temperature Control PWM Speed Controller Module with Alarm Buzzer Sensor and Plastic Shell
$21.95 Save $10.00 RRP: $31.95
Wireless Infrared Gate Beam Sensor Anti Theft Alarm IP55 Waterproof for Station Automatic Door 25-26
$64.00 Save $65.00 RRP: $129.00
Door and window sensors 5 pcs. Recessed Wired Door Window Sensor Door Window Alarm Sensor Home Security Alarm System 25-26s
$21.95 Save $22.00 RRP: $43.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
$23.95 Save $24.00 RRP: $47.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban
$36.95 Save $12.00 RRP: $48.95
Angus Aw201 Wifi Door Window Sensor Tuya Smart Home Independent Wireless Security Alarm
$54.00 Save $25.00 RRP: $79.00
2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Ho
$19.95
Door Window Magnetic Sensor Anti-entry Security Alarm
$19.95
Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen)
$10.95 Save $9.00 RRP: $19.95
Smart WiFi Light Sensor Light Detection Device Ambient Illuminance Monitor Adjustable Sensitivity Compact Design White Plastic Single Unit For Home Au
$26.95 Save $32.05 RRP: $59.00
Wireless Door Sensor Magnetic Switch Normally Home Door Window Entry Warning-Q SZRH A-YH
$40.95 Save $38.05 RRP: $79.00
Door Window Sensor Detector Wireless Open Contact Sensor WiFi APP Timer Magnet Back Adhesive Sharing Security Sensor Alarm for ZigBee for Tuya YVL
$20.95
Magnetic Switch Alarm Sensor Overhead Garage Door Contacts L Bracket SZRH G
$16.95 Save $35.00 RRP: $51.95
Solar Animal Repeller Alarm Long Range Sound Light Outdoor Infrared Sensor Alarm with Remote Control for Orchard 1W 5V
$51.95 Save $22.05 RRP: $74.00
Wired Metal Door and Window Magnetic Contact Sensor Detector Switch Alarm Walkbee 1189 B unbrand
$21.95 Save $8.00 RRP: $29.95
Wireless Home Doors Windows Security Entry Alarm System Pack 6 Edition
$30.95 Save $43.05 RRP: $74.00
Android Navigation TPMS with 4 Sensors Alarm System USB Android Car TPMS Wireless Transmission TireExternalBlack SZRH A-X
$37.95 Save $46.05 RRP: $84.00
50PCS 5.5mm x 2.1mm DC Power Barrel Jack Adapter Breadboard
$16.95 Save $4.00 RRP: $20.95
Thermal Overload Relay 690V Insulation Voltage Manual Automatic Reset Temperature Compensation for Circuit Safety1.5-2.4A
$24.95 Save $7.00 RRP: $31.95
Smart Home Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection for Garden Automat Edition 0719
$26.95 Save $37.05 RRP: $64.00
Magnetic Door Window Contact Sensor Alarm Wired Metal Security Burglars Alarm hwy
$14.95
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
$22.95 Save $11.00 RRP: $33.95
Anti-Thief Wireless Door Alarm Abnormal Door Opening Immediate Alarm
$10.95 Save $6.00 RRP: $16.95
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
$74.00 Save $35.00 RRP: $109.00
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
$22.95 Save $11.00 RRP: $33.95
3X ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren Alarm Sensor
$64.00