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Shop the best prices on 9,318 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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1,505 - 1,536 of 3,200
RF Demo Kit RF Test Module Vector Network Analyzer Board Filter/Attenuator Module
$19.95 Save $6.00 RRP: $25.95
5pcs High Quality 2N3055 Power Transistors NPN TO-3 Metal Case 15A/60V Set of 5 Transistors
$16.95 Save $5.00 RRP: $21.95
4Pcs LED Segment Digital Display Module 4 Bits 7 Segments PCB Clock Module 0.56 Inch MRA172A Red
$25.95 Save $7.00 RRP: $32.95
38mm Magnetic Encoder 1024 Pulses Incremental Rotary Encoder DC5V
$54.00 Save $20.00 RRP: $74.00
1 Pcs 0220VAC to 0311VDC Universal Multiple Protection Rectifier Board Module
$32.95 Save $10.00 RRP: $42.95
2Pcs CAN Bus Transceiver Module TJA1050 Receiver STM32 Code for Controller Development Board 4.75 ~ 5.25V
$16.95 Save $5.00 RRP: $21.95
4-channel IIC I2C Logic Level 5V 3.3V Bi Directional Converter Module
$12.95 Save $3.00 RRP: $15.95
Motor Alarm Dual Way 135dB High Decibel Electric Air Raid Siren Screw Mounting AC 220V MS590
$439.00 Save $135.00 RRP: $574.00
2 Pcs Boost Module Adjustable DC DC Variable Voltage Step Up Converter 3~35V to 4~40V
$17.95 Save $6.00 RRP: $23.95
Battery Undervoltage Controller 12V Low Voltage Cut Off Switch Over Discharging Protection
$22.95 Save $6.00 RRP: $28.95
2PCS Binding Post Silver Alloy Contact No Insulation Power Grounding Terminal Post 50025
$15.95 Save $5.00 RRP: $20.95
PH Electrode Probe Acquisition Sensor Module PH Value Monitoring Board Kit with BNC Connector
$40.95 Save $13.05 RRP: $54.00
Float Switch Water Level Sensor 200mm High Pressure Stainless Steel Double Ball Float Switch Sensor 0220V
$27.95 Save $8.00 RRP: $35.95
SDR Receiver Broadband Software Radio MSI.SDR Receiver Test Antenna Kit TCXO 0.5ppm 10kHz2GHz
$119.00 Save $40.00 RRP: $159.00
Run Capacitor Explosion Proof High Temperature Resistance 13uf Double Insert CBB60 Motor Capacitor 450VAC
$20.95 Save $6.00 RRP: $26.95
Enclosure Electronic DIY Circuit Board Project Protective Box Aluminum Cooling Case 40x97x150mm
$33.95 Save $10.00 RRP: $43.95
10pcs Metal Shell Thermal Fuse Cutoff 250VAC 10A Temperature Fuse TF 72-250150
$12.95 Save $4.00 RRP: $16.95
45x80x110mm Enclosure Electronic DIY Circuit Board Project Protective Box Aluminum Cooling Case
$29.95 Save $9.00 RRP: $38.95
4 Set 4 Digit Digital Tube LED Display Board 7 Segments Clock Module TM1637 0.56in White MRA041B
$27.95 Save $8.00 RRP: $35.95
Oil Liquid Level Gauge Meter Transparent Intuitive Display Good Sealing Accurate MeasurementLS-5
$28.95 Save $9.00 RRP: $37.95
500pcs 10 Values 50V 1NF(102)-68NF(683) Monolithic Ceramic Capacitor Assorted Kit
$21.95 Save $6.00 RRP: $27.95
10pcs Metal Shell Thermal Fuse Cutoff 250VAC 10A Temperature Fuse TF 72-250227
$12.95 Save $4.00 RRP: $16.95
4Pcs Alarm Buzzer HighDecibel Signal Electronic Continuous Sound for DIY Project 95dB DC324V
$17.95 Save $5.00 RRP: $22.95
TEC112715 Cooling Plate HighPower Semiconductor Cooler for Thermoelectric Refrigeration Board DC12V
$19.95 Save $6.00 RRP: $25.95
10pcs Wired Door Window Sensor Magnetic Switch for Home Alarm System
$23.95 Save $6.00 RRP: $29.95
Pressure Transducer Sender Sensor Stainless Steel for Oil Fuel Air Water (300PSI)
$25.95 Save $8.00 RRP: $33.95
Digital Clock Kits 4 Digit Electronic Soldering Clocks Kit with Second Correction Function for Schools
$15.95 Save $5.00 RRP: $20.95
Bluetooth Power Amplifier 20W+20W 2 Channels Stereo Digital Speaker Audio Player DC8-24V
$29.95 Save $9.00 RRP: $38.95
AS5048A Magnetic Encoder PWM/Serial Peripheral Interface Port High Accuracy Module
$25.95 Save $8.00 RRP: $33.95
5pcs P40*8*30-B Aluminum Heat Sink Cooling Fin Heatsink for CPU Electronic Chip 40*8*30mm
$16.95 Save $4.00 RRP: $20.95
Solar PV Diode Connector Male Female IP67 Waterproof Panel Cable Blocking Diode Holder 1000V
$14.95 Save $4.00 RRP: $18.95
1000Pcs Ceramic Capacitor InLine Monolithic 0.1UF Pin Pitch 5.08MM DC50V Deviation 10%
$22.95 Save $7.00 RRP: $29.95