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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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3,073 - 3,104 of 8,642
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
Audio Decoding Module Dual Microphone Speech Recognition WM8960 for RASPBERRY PI ZERO DC5V
$34.95 Save $11.00 RRP: $45.95
Ultrasonic Suspension Module Acoustic Levitator Standing Wave Controller for DIY
$21.95 Save $6.00 RRP: $27.95
DC DC Power Converter 36V 48V to 12V 10A 120W Voltage Reducer Buck Transformer Module with Aluminum Shell(36V 48V to 12V 10A Large Aluminum Shell )
$40.95 Save $12.00 RRP: $52.95
3D Printer LCD Smart Display Screen Control Parts for MKS MINI12864 V3 Insert Memory Card Front Style
$32.95 Save $10.00 RRP: $42.95
Camera Module HD Mini USB2.0 Webcam Board Fixed Focus for Android HBVCAM-V20234-V11
$16.95 Save $5.00 RRP: $21.95
Power Amplifier Board for Bluetooth Digital Volume Potentiometer Module 2.1 Channel
$40.95 Save $12.00 RRP: $52.95
220VAC Timer Delay Switch Module Adjustable Timing Turn Off Board (0~10Sec.)
$16.95 Save $5.00 RRP: $21.95
Bluetooth Relay Module 2Way for Android Mobile Phone APP Wireless Remote Control Switch 5V
$20.95 Save $6.00 RRP: $26.95
Dc 12V Light Control Switch Adjustable Delay Photoresistor Relay Module Light Detection Sensor
$19.95 Save $6.00 RRP: $25.95
Thermal Paste Compound Silicone Grease Good Insulation Cooling HY234 for CPU Heatsink 10g / 0.35oz
$14.95 Save $4.00 RRP: $18.95
5Pcs Inductive Proximity Sensor PNP Normally Open Short Circuit Protection M18 Proximity Switch 636VDC
$52.95 Save $16.05 RRP: $69.00
5V-28V 5A PWM DC Motor Speed Control Switch Controller Volt Regulator LED Dimmer
$12.95 Save $4.00 RRP: $16.95
DC-DC 48V To 12V 10A 120W Voltage Step Down Module Buck Power Supply Converter
$36.95 Save $11.00 RRP: $47.95
Flow Sensor Water Flowmeter Counter Hall Meter G1in Male Thread Swimming Pool DC524V YFG1
$34.95 Save $10.00 RRP: $44.95
12V to 48V Power Converter Regulator Waterproof Power Converter Inverter 1A4L
$27.95 Save $8.00 RRP: $35.95
Buck Boost Converter DC 5V to DC 3.3V 9V 12V 24V USB Power Supply Module Accessory
$24.95 Save $7.00 RRP: $31.95
S Type Load Cell Weight Sensor M8x1.25 Stainless Steel Pull Pressure Compression and Tension Force Sensor 30KG
$69.00 Save $15.00 RRP: $84.00
Indoor Motion Sensor Infrared Detector Remote Control for TUYA/Zigbee/Amazon Alexa/Google Assistant
$29.95 Save $9.00 RRP: $38.95
3X Personal Alarm Rechargeable Waterproof Emergency Self SOS Alert Rape Whistle Safety Siren for Wom
$29.95 Save $19.05 RRP: $49.00