American - Model EMU-17 -Energy Meter

125V~,60Hz,15A. Measure voltage range:190-276V AC . Measure Voltage accuracy:+/-1%. Measure current range:0.001-16A
Measure current accuracy:+/-1%. Accumulative electric quantity range:0-9999.99kWh . Clock accuracy:+/-1 minute per month
Power cost<1W . Operating temperature:0? to +50?. Battery:3*1.2V Ni-MH.