... metering outlet;2)multi-functional: with voltage, current, power, power factor and power measurements, as well as timekeeping, billing, working conditions ... range: Voltage 80 ~ 280V, 0.1W ~ 3000 watts of power, the actual wider;5)Cost-effective: high-precision, industrial-grade ... as 0.1 watts of power, the machine can still be correct given the power, power factor and current of the device under test ...