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Shop the best prices on 9,322 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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2,625 - 2,656 of 3,200
Oil Water Temperature Sensor Diesel Engine Coolant Temperature Transducer 1/2NPT Thread 624V NPT1/2
$20.95 Save $7.00 RRP: $27.95
MPPT Solar Charger Board Auto Charging 3.7V 4.2V Lithium Battery Charger Module 9V
$16.95 Save $5.00 RRP: $21.95
LED Digital Display Module 0.56in Screen 4 Digit 7 Segment PCB Board TM1637 Clock Module 5V
$14.95 Save $5.00 RRP: $19.95
2Pcs Thin Film Pressure Sensor FSR Flexible Bend Force Sensitive Resistor 20g3kg
$17.95 Save $5.00 RRP: $22.95
Liquid Level Gauge Intuitive Display Leakage Proof Accurate Measurement Oil Level Meter
$25.95 Save $8.00 RRP: $33.95
4 Channel Relay Module 30A Load Current with Optocoupler Isolation Supports High and Low Triger 5V 12Volt 24Volt Optional
$29.95 Save $9.00 RRP: $38.95
Pressure Transducer Stainless Steel 1/8in 27NPT Thread 100PSI Pressure Probe Sensor for Replacement 0.54.5V
$26.95 Save $8.00 RRP: $34.95
5pcs IO Shield Expansion Board Compact Terminal Adapter Industrial Accessories
$31.95 Save $9.00 RRP: $40.95
10PCs 3‑Pin Switch Rocker On Off Red Light 2‑Position KCD3 Household Appliances Accessories
$16.95 Save $5.00 RRP: $21.95
Sensor Photoelectric Switch Security Alarm Human Body Infrared Detection Device DC524V
$28.95 Save $9.00 RRP: $37.95
BMS Lossless Active Balancer 2A Energy Transfer Lithium Battery Pack Power Equalizer Board 4S
$29.95 Save $9.00 RRP: $38.95
ADSB Antenna Receiving Module Receiver Board 1090MHz 2dBi Accessory Replacement
$17.95 Save $5.00 RRP: $22.95
Thin Film Pressure Sensor Quick Response Static and Dynamic Pressure Sensing Force Sensitive Resistor
$18.95 Save $5.00 RRP: $23.95
SF-101N Laser VCD Optical Lens Single Channel High Speed OC Gate Signal Laser Pickup
$16.95 Save $5.00 RRP: $21.95
MDb rS232 MDB Payment Device to PC RS232 Converter for MDB Coin Validator
$89.00 Save $30.00 RRP: $119.00
Temperature Humidity Sensor IP65 Dust Proof Wall Mounted High Accuracy Air Mositure Probe Monitor DC1030V
$64.00 Save $20.00 RRP: $84.00
Car Radar Detector 360 Degree Protection Blind Free Electronic Dog Radar Speedometer Tester
$29.95 Save $8.00 RRP: $37.95
Laser Head Lens Tantalum Capacitor Optical PickUp KSS210A for Radio CD Player
$28.95 Save $9.00 RRP: $37.95
Stainless Steel Double Ball Float Switch Water Level Controller Sensor Switch(100mm)
$19.95 Save $6.00 RRP: $25.95
Coolant Temperature Level Switch Sensor CH12541 1/2 Inch Thread Metal Hydraulic Transmitter for Diesel Engine
$46.95 Save $17.05 RRP: $64.00
MK-328 Transistor Tester Inductance Capacitance Resistance Electronic Meter TR LCR ESR
$64.00 Save $15.00 RRP: $79.00
50Pcs 10 Values Quick Blow Glass Tube Fuse Fast Blow Fuse Box Assorted Set 20mm
$15.95 Save $5.00 RRP: $20.95
Automatic Flower Watering Pump Irrigation Relay Module Soil Moisture Sensor Module Connection Line Kit
$20.95 Save $6.00 RRP: $26.95
6J1 Vacuum Tube Preamplifier Board HIFI Power Preamp Amplification Module with LED AC 12V
$74.00 Save $20.00 RRP: $94.00
110V Mini Air Heating Constant Temperature Insulation PTC Thermistor Heater With Fan(24V/350W)
$35.95 Save $10.00 RRP: $45.95
Antenna Tuner DIY Kits Automatic Antennas Tuners DIY Kit with OLED for Communication
$64.00 Save $15.00 RRP: $79.00
5-Core 0.3mm Round Flexible Copper Cable For Video Door Phone System 15m
$52.95 Save $16.05 RRP: $69.00
ADE-25 High Linear Low Noise RF Up And Down Frequency Conversion Passive Mixer(5-2500MHz)
$22.95 Save $7.00 RRP: $29.95
DCDC Boost Converter Voltage Step Up Board 1000V Adjustable 5V400V 300V 900V 1000V
$19.95 Save $6.00 RRP: $25.95
Dual Channels Servos Control Board Series Steering Gear Debugging Module for Futaba SG90
$17.95 Save $5.00 RRP: $22.95
RC Absorption Circuit Module Anti Interference Crimp Terminal Lightweight Portable RC Absorption Relay
$12.95 Save $3.00 RRP: $15.95
Soil Temperature Humidity Sensor High Accuracy I2C Output Soil Moisture Sensor Probe with 1.5m Cable DC3.3V
$28.95 Save $8.00 RRP: $36.95