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Shop the best prices on 8,748 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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2,657 - 2,688 of 8,748
LA42DWQ High Accuracy Variable Speed Adjustable Single Circle Potentiometer 22mm 5K
$16.95 Save $5.00 RRP: $21.95
Trigger Timer Delay Switch Module Turn Off Board Adjustable Time(1Sec~5Min)
$15.95 Save $5.00 RRP: $20.95
12V 30A Car Battery Excessive Discharge Anti Over Discharge Protection Module
$17.95 Save $5.00 RRP: $22.95
3.3V-13V to +15V/-15V Positive & Negative Dual DC-DC Step up Boost Converter for ADC DAC LCD
$13.95 Save $5.00 RRP: $18.95
4 Pcs 450V 470F Aluminium Electrolytic Capacitor for Inverter Welding Machine 35x50mm
$29.95 Save $8.00 RRP: $37.95
Soft Start Controller Motor Start Board 3-Phase Electrical Parts Aluminum Bottom for Conveyors / CompressorsModule
$139.00 Save $30.00 RRP: $169.00
TL631 Motherboard Diagnostic Card TL611 Laptop Analyzer Adapter Card PCIE LPC Port PC Computer Debugging Card Kit
$54.00 Save $20.00 RRP: $74.00
Absolute Value Encoder PWM/I2C Port High Accuracy 12-Bit Encoder for Brushless Gimbal Motor
$13.95 Save $5.00 RRP: $18.95
XHM214 Moisture Controller Soil Sensor Module Automatic Control Irrigation Computer System
$18.95 Save $6.00 RRP: $24.95
4PCS 0.96in TFT Color Screen SPI Interface ST7735S Drive IPS Display Module 80x160 Welding Mounting
$19.95 Save $5.00 RRP: $24.95
Voltage Relay Module ON Off Upper Lower Limit Detection Control Over Voltage Protection Battery Charge Discharge Timing 24V
$17.95 Save $5.00 RRP: $22.95
Multifunctional Pulse Counter Relay Board 0.1S to 9999999.9s 0.01s Accuracy 1 Channel Relay Module 5V
$20.95 Save $6.00 RRP: $26.95
Soft Start Controller Electrical Parts Aluminum Bottom Single / 2Phase Motor Accessory
$69.00 Save $20.00 RRP: $89.00
10pcs KBPC3510 35A 1000V Metal Case Silicon Bridge Rectifier
$27.95 Save $8.00 RRP: $35.95
50Pcs 10 Values Blue Variable Resistor Trimmer Pot Assortment Electronic Component 3296W
$21.95 Save $6.00 RRP: $27.95
Water Level Indicator Alarm High Water Level Alarm Sensor Waterline Indicating Alarm with Silencer Switch
$119.00 Save $30.00 RRP: $149.00
4 Channel Relay Module Multifunctional RS485 Relay Board for Electrical Equipment DC 12V
$36.95 Save $11.00 RRP: $47.95
Oil Pressure Gauge 05bar 52mm LED Backlit Waterproof Engine Fuel Pressure Meter for Driving 12V 350030003
$31.95 Save $10.00 RRP: $41.95
Silicone Heater Pad Heating Mat 180 200x200mm 200W Accessory for 3D Printer Hotbed DC24V
$40.95 Save $12.00 RRP: $52.95
Temperature Humidity Sensor Probe IP67 Waterproof 304 Stainless Steel Shell I2C Output Soil Moisture Tester Sensor Probe
$32.95 Save $10.00 RRP: $42.95
LM35 Temperature Sensor Module DIY Sensor Module Compatible for Microbit 3.3V5VDC
$14.95 Save $5.00 RRP: $19.95
Motor Start Board Electrical Accessory Brass Bottom Single / 2-Phase for Water Pump / FanModule
$89.00 Save $30.00 RRP: $119.00
AC24V-DC12V Power Supply Module Converter Regulator for Car Audio 3A
$21.95 Save $7.00 RRP: $28.95
DC 5-30V LED Display Delay On/Off Relay Module Trigger Cycle Delay Timer Switch
$14.95 Save $4.00 RRP: $18.95
Delay Timer Relay Self locking Delay On Off Time Switch Super 555 Timer DC 5V
$15.95 Save $5.00 RRP: $20.95
4Pcs Near Field Probe EMI EMC Pre Certified Magnetic Field Test Tool 30MHz3GHz KCR20B
$39.95 Save $12.00 RRP: $51.95
5 Pcs Silicone Thermal Conductivity Sheet CPU GPU Heat Conduction Pad 100x100x1.5mm
$25.95 Save $7.00 RRP: $32.95
DC 12V 8CH DTMF Relay Phone Voice Decoder Remote Controller Switch Module
$49.95 Save $14.05 RRP: $64.00
12V Storage Battery Protection Board Undervoltage Automatically Turn On/Off Controller Module
$17.95 Save $6.00 RRP: $23.95
HF Band QRM Eliminater Kit X Phase Green PCB 1-30MHz Radio Communication Amplifier Parts
$27.95 Save $9.00 RRP: $36.95
Voltage Regulator Power Supply Module Board Dual Linear Output Accessory Part 12V
$14.95 Save $5.00 RRP: $19.95
50pcs 3296W 100/200/500/1k/2k/5k/10k/20k/100k/500k Ohm Adjustable Trimmer Resistor
$21.95 Save $7.00 RRP: $28.95