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Security System Sensors

Shop the best prices on 11,091 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Australia.

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65 - 96 of 3,200
2Pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 in 1 Door Sensor Doorbell Door Open Alarm Loud108dB
$34.95 Save $34.05 RRP: $69.00
Anti-Theft Alarm for Refrigerators and Freezers with Door Window Left Open Reminder and 30-Second Beep Alert
$64.00
Wired-Magnetic Door Window Contact Sensor Waterproof Door Window Sensors Detector for Home Security Alarm System Multicolor
$29.95
Vibration Alarm Security Device Export
$84.00 Save $25.00 RRP: $109.00
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
$119.00 Save $20.00 RRP: $139.00
Wireless Door Opening Contact Sensor Alarm with Buzzer
$94.00 Save $25.00 RRP: $119.00
Infrared Beam Detector Burglar Ir Alarms Sensor Alarms System
$29.95 Save $24.05 RRP: $54.00
Wifi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm Eu Plug
$129.00
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Window Open Close Status DS3 Works with G2
$27.95 Save $17.00 RRP: $44.95
2025 Essential Freezer Alarm: Wireless Thermometer with Industrial-Grade Chip, Multi-Sensor System, p
$48.95
WIFI TUYA Smart Window Door Sensor Wireless Connection Door Detector Door Open / Closed Alarm- System
$13.95 Save $7.00 RRP: $20.95
Tuya Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection Support Home Assistant Zigbee2mqtt
$69.00
Infrared/IR Beam Detector Sensor for Perimeter Protection Outdoor Security System
$24.95 Save $7.00 RRP: $31.95
Home Window Door Burglar Security Alarm System Magnetic Sensor
$21.95 Save $6.00 RRP: $27.95
Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Swit
$29.95 Save $9.00 RRP: $38.95
GSM 3G 4G Humidity Temperature Alarm Environmental Monitoring Power Failure Alarm
$209.00 Save $60.00 RRP: $269.00
Magnetic Clothing Hard Tag Remove Security Detacher
$9.95 Save $4.00 RRP: $13.95
Tuya ZigBee Smart Door Sensor Door Open Closed Detectors Smart Home Security Protection
$40.95 Save $9.00 RRP: $49.95
Magnetic Door Sensor 868.4mhz Eu Window Sensor Z-wave Plus Contact Sensor Smart Home
$64.00 Save $10.00 RRP: $74.00
8PCS Foot Sensing Strip Sensor Game Console Hand Bar Dance Machine Hand Dance Foot Switch Dance Machine Sensor Strip
$59.00
Home Security Reinvented, Wired Glass Break Detector, Adjustable Sensitivity Alarm, Tamper Proof Security Sensor for Unmatched Safety
$24.95 Save $11.00 RRP: $35.95
Easy Installation Security Devices, Magnetic Contact Sensors For Home, Shop, Wireless Door Alarms With Loud Sound And Light Warning, Battery Operated
$30.95 Save $13.00 RRP: $43.95
Wifi PIR Motion Detector Intelligent Infrared Alarm Sensor Anti Theft 110° Wide Angle Detection for Tuya
$23.95 Save $45.05 RRP: $69.00
Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
$74.00 Save $45.00 RRP: $119.00
Sensor Wireless Connectivity User-Friendly App Smart Wifi Temperature and Humidity Sensor for Home Iot Device
$10.95 Save $5.00 RRP: $15.95
Glass Break Sensor Detector for Alarm System Wired Glass Break Sensor
$11.95 Save $6.00 RRP: $17.95
Split Type Door and Window Sensor Door Magnet Sensor 60 Songs Protection Security Anti-Theft Volume Reminder EU Black
$19.95 Save $10.00 RRP: $29.95
Tuya Smart Zigbee Rain Sensor with Light Detector Solar Operated IPX6 Waterproof Rain Detector Remote Control
$31.95 Save $16.00 RRP: $47.95
Mailbox Alarm Mail Chime Notification System-Mail Alarm 800 Ft Long Range Wireless Mailbox Alert wit
$74.00 Save $35.00 RRP: $109.00
Zigbee Temperature and Humidity Sensor Mini Temperature Humidity Detector with for App Control
$18.95 Save $6.00 RRP: $24.95
Tuya Intelligent Pressure Sensor for ZigBee Gravity Detection Automation Scene Linkage 800mm
$45.95 Save $38.05 RRP: $84.00
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced A
$25.95 Save $8.00 RRP: $33.95