– Color: Blue
– Material: PCB + metal
– ACS712ELC-20A sensor chipset
– Powered by 5V power supply
– On-board power indicator
– Measures -20~+20A current, corresponding simulation output 100mV/A
– Output voltage is VCC/2 when on current was measured
– ACS712 is based on the principle of Hall detection, please avoid the magnetic field affect when using it
– Datasheet: http://m2.img.dxcdn.com/CDDriver/sku.206997.rar