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Shop the best prices on 23,955 great value home alarm systems. Shopping for home alarm systems is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Generic1, Cameron Sino and more. Buy home alarm systems online safely with Fruugo, with secure payment and fast shipping to Singapore.

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385 - 416 of 3,200
16-channel 12V Relay Module Interface Control Board with Optocoupler Protection
$33.95 Save $10.00 RRP: $43.95
30A DC 12V Delay Timing Relay Module Delay Timer Board 0.1-5 Seconds Time Range
$18.95 Save $5.00 RRP: $23.95
XD35 Thermoelectric Peltier Plate Module Cooling System DIY Kit for Small Space Cooling 01#
$38.95 Save $12.00 RRP: $50.95
Flow Sensor Water Flowmeter Counter Hall Meter G1in Male Thread Swimming Pool DC524V YFG1
$35.95 Save $10.00 RRP: $45.95
Safety Belt Pressure Sensor Occupancy Detection Safety Alarm Quick Response Thin Film Car Seating Pressure Reminder 50V
$16.95 Save $5.00 RRP: $21.95
HD Multimedia Interface Expander WIFI Wireless Stereo Audio Video Receiver Transmitter 100240V EU Plug
$159.00 Save $90.00 RRP: $249.00
Home Window Door Burglar Security Alarm System Magnetic Sensor
$17.95 Save $10.00 RRP: $27.95
6 Pcs Induction Heater Coil Kit 3mm Brass Core 20 25 30 35 40mm Free Forming Induction Heater Wires
$74.00 Save $45.00 RRP: $119.00
DCDC Buck Boost Converter Regulator Programmable Adjustable Regulated Power Supply Module for Electronic Equipment(ZK-4KX )
$24.95 Save $14.00 RRP: $38.95
110dB DC 12V Wire Loud Horn Alarm Siren Speaker Burglar Alarm System for Outdoor Security
$21.95 Save $13.00 RRP: $34.95
K Type Thermocouple Probe Temperature Sensor Detector Gauge 1/8in NPT Thread 80mm 1meter Yellow Male Plug
$19.95 Save $11.00 RRP: $30.95
XKC-Y25-NPN Intelligent NOn Contact Liquid Level Sensor Detection Tool for Airtight Container
$18.95 Save $10.00 RRP: $28.95
AIO Display Screen Upgrade Kit 2.1in CPU Liquid Cooler LCD Display Temp Monitor Computer Accessories PC Parts
$74.00 Save $45.00 RRP: $119.00
Heat Sink Aluminium Cooler Cooling Heatsink Radiator 150x120x20mm for CPU Amplifier PCBBlack
$25.95 Save $14.00 RRP: $39.95
60pcs 10 Values L7805CV LM317t Transistor Assortment Kit Set With Storage Box
$23.95 Save $14.00 RRP: $37.95
ESP32CAM Development Board WiFi Bluetooth Power Driver with OV2640 OV7670 Module Receiver
$23.95 Save $14.00 RRP: $37.95
4 Digital LED Tachometer RPM Speed Meter Hall Proximity Switch Sensor NPN(Blue)
$28.95 Save $8.00 RRP: $36.95
LD35 USB Electronic Load Digital Display Battery Test Adjustable Resistor Voltage Current Mete
$31.95 Save $9.00 RRP: $40.95
Relay Module 2 Channel Bluetooth Board APP Remote Switch Control with Light Indicator DC 12V
$20.95 Save $6.00 RRP: $26.95
DC-DC 10-60V to 12-97V 1500W 30A Voltage Step Up Converter Boost CC CV Power Supply Module
$48.95 Save $15.05 RRP: $64.00
10pcs Metal Shell Thermal Fuse Cutoff 250VAC 10A Temperature Fuse TF 72-250105
$12.95 Save $4.00 RRP: $16.95
10pcs PT100 Waterproof Sensor Probe for Temperature Controller
$22.95 Save $7.00 RRP: $29.95
Electrolytic Capacitor 22000F Aluminum Energy Storage Components 105 35x50mm 63V
$24.95 Save $8.00 RRP: $32.95
Automatic Battery Charger Charging Controller Protection Module 24V
$17.95 Save $5.00 RRP: $22.95
AC 220V Delay Power On Module Timer Relay Switch for Electric Appliance Protection
$16.95 Save $6.00 RRP: $22.95
S TYPE High Precision Load Cell Scale Sensor Weighting Sensor With Cable 50KG
$74.00 Save $20.00 RRP: $94.00
Amplifier Module Mono Sound Speaker 1 Channel Power Amplification Board 1224V 5W120W TDA2050
$16.95 Save $6.00 RRP: $22.95
Aluminium Housing Constant Temperature PTC Ripple Heating Plate Thermistors Heater(24V/150W)
$20.95 Save $6.00 RRP: $26.95
0-120s Delay Relay 5-12V Timer NE555 Adjustable Module On Board Test Button
$13.95 Save $4.00 RRP: $17.95
DC1.8-12V TDA2822M Amplifier 2 Channels Stereo 3.5mm AUX Audio Amp Board Module
$14.95 Save $4.00 RRP: $18.95
Earthquake Detector Get Early Warning of Impending Quake Alarms Emergency Device
$74.00 Save $20.00 RRP: $94.00
Dc 12V Light Control Switch Adjustable Delay Photoresistor Relay Module Light Detection Sensor
$19.95 Save $6.00 RRP: $25.95