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Shop the best prices on 8,642 great value home alarm systems. Shopping for home alarm systems is easy with Fruugo, with SALE discounts, offers and savings on CUJMH, GreenZech, Cameron Sino and more. Buy home alarm systems online safely with Fruugo, with secure payment and fast shipping to Canada.

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3,009 - 3,040 of 8,642
BERM Infrared Photoelectric Switch Square ThroughBeam Sensors with Cable DC 1224V(E3Z-D81 )
$25.95 Save $7.00 RRP: $32.95
Lithium Battery Charging Module MCP73871 Lithium Ion Battery Charger Board 4.2V 1A
$17.95 Save $5.00 RRP: $22.95
Electronic Price Tag Smart ESL TFT Screen Display Shelf Label Low Consumption Bluetooth 2.9inBlack White Red
$50.95 Save $18.05 RRP: $69.00
Battery Equalizer Black Solar System Balancer with Reverse Connection Protection 2 X 12V
$50.95 Save $18.05 RRP: $69.00
DC12V to 24V 10A 240W Step Up Converter Boost Voltage Regulator Module Waterproof IP68
$41.95 Save $12.05 RRP: $54.00
8-Channel NPN to PNP Signal Conversion Level Converter Wide Voltage 10-28V
$31.95 Save $10.00 RRP: $41.95
Automatic Battery Charger Charging Controller Protection Module 24V
$16.95 Save $5.00 RRP: $21.95
DCDC 36V/48V to 5V 10A Buck Converter Step Down Power Supply Module
$28.95 Save $9.00 RRP: $37.95
Earthquake Detector Get Early Warning of Impending Quake Alarms Emergency Device
$74.00 Save $20.00 RRP: $94.00
AC 12V Stereo VU Meter Driver Board Amplifier DB Audio Level Meter
$21.95 Save $6.00 RRP: $27.95
S TYPE High Precision Load Cell Scale Sensor Weighting Sensor With Cable 2000KG
$69.00 Save $25.00 RRP: $94.00
XD35 Thermoelectric Peltier Plate Module Cooling System DIY Kit for Small Space Cooling 01#
$37.95 Save $12.00 RRP: $49.95
Photoresistor Relay Module XHM131 5V Brightness Automatic Control Light Detection Sensor
$13.95 Save $4.00 RRP: $17.95
Electrolytic Capacitor 22000F Aluminum Energy Storage Components 105 35x50mm 63V
$24.95 Save $7.00 RRP: $31.95
LCD Digital Pocket Wind Meter Temperature Anemometer Tester Alarm 0- 30m/s
$35.95 Save $10.00 RRP: $45.95
460Pcs Electrolytic Capacitor Kit Inline Aluminum Electrolytic Capacitor Assortment Kit 6.3V50V Green
$45.95 Save $13.05 RRP: $59.00
BERM Infrared Photoelectric Switch Square ThroughBeam Sensors with Cable DC 1224V(E3ZD62 )
$25.95 Save $7.00 RRP: $32.95
Relay Module Low Level 2 Channel Load 240V 2A Industrial Control Accessories with Fuse for Circuit Modification
$16.95 Save $5.00 RRP: $21.95
TPM 2.0 Module LPC Interface 20 Pin TPM 2.0 Trusted Platform Module for Win11 Motherboard
$27.95 Save $8.00 RRP: $35.95
3Channel Speaker Protection Board Power Single Supply Amplifier Delayed Protection Module
$19.95 Save $6.00 RRP: $25.95
10Pcs Temperature Sensor Probe NTC Thermistor Temp Transducer Cold Pressed Terminal 2 Meters10K B3950
$26.95 Save $8.00 RRP: $34.95
DAC Converter Module DC 12V RS485 to 420MA 020MA Voltage to Current Board for PLC
$19.95 Save $5.00 RRP: $24.95
Alarm Sensor Single Brass Ball Valve DualWay Water Leaking Detection System Kit
$129.00 Save $30.00 RRP: $159.00
Current Sensor Module DC100A Overcurrent Detection Board with Indicator Light DC5V WCS1600
$22.95 Save $7.00 RRP: $29.95
Soft Start Controller Brass Bottom Single / 2-Phase Motor Accessories for Water Pump / FanModule
$114.00 Save $35.00 RRP: $149.00
20 Channel Relay Control Board Multifunctional RS485 Relay Expansion Module DIN Rail Installation 12V
$84.00 Save $25.00 RRP: $109.00
Audio Amplifier Module HiFi DAC Decoder Board External Sound Card 24bit 96K SA9023 ES9018K2M
$39.95 Save $12.00 RRP: $51.95
Ultrasonic Water Level Sensor LED Display 420mA Water Tank Depth Level Meter Sensor DC24V 05M
$219.00 Save $60.00 RRP: $279.00
Pressure Transducer Sensor 400bar Pressures Transmitter for Lonking Series MBS3050060G1154
$74.00 Save $20.00 RRP: $94.00
RS485 IO Module 8DI 8D0 Optical Isolation Digital Input Output Industrial Control Board DC 725V
$64.00 Save $15.00 RRP: $79.00
52mm Fuel Gauge High Accuracy Quick Response Waterproof LED Fuel Level Gauge for Generator Unit 0 1/2 1/1 24V
$32.95 Save $9.00 RRP: $41.95
Smart Wifi Door Window Sensor Magnetic Detector Home Security Alarm Voice Control for Google Home
$26.95 Save $9.00 RRP: $35.95