In order to unnecessary disputes, the following countries please not buy Eu plug France, Belgium, Slovakia, Czech Republic, Poland Please charge for 6 hours before using Features LCD display, easy to read data Simply plug this device to your wall electric outlet Measures various parameters: power, voltage, current Save your money: calculates electricity expenses EU Plug -Power consumption of the power meter monitor: 0.5W -Operating voltage: 230V AC -Frequency display: 50Hz -Operating current: max 16A -Wide voltage range: 230V - 250V -The set wattage display is 0W - 9999W, but the real wattage display is 0 - 3680W -Timing display range: 0 second - 9999 days -Voltage display range: 0V - 9999V -Current display ( amps ): 0.000A - 16.000A -Frequency display: 0Hz - 9999Hz -Price display range: 0.00COST / KWh < 99.99COST / KWh -Total KWh and cost display: 0.000KWh - 9999KWh, 0.00COST - 9999COST -2-pin EU plug -Functioning indicator Package weight: 0.267 kg Product Size(L x W x H): 15.50 x 7.00 x 3.50 cm / 6.1 x 2.76 x 1.38 inches Package Size(L x W x H): 16.50 x 8.50 x 7.00 cm / 6.5 x 3.35 x 2.76 inches US Plug 1- Operating voltage: 120VAC 2,Frequency display: 60HZ - Operating current: max 15A -Width voltage range: 110V-130V -The set wattage display (watts) is 0W ~ 1800W; 3,Timing display range: 0 seconds ~ 9999 days -Voltage display range: 0V ~ 9999V -Current Display (Amps): 0,000A ~ 15,000A 4,Frequency display: 0Hz ~ 9999Hz 5,Price Display Range: 0.00COST / KWH 99.99COST / KWH 6,Total KWh and cost display: 0.000KWh-9999KWh, 0.00COST ---- 9999COST 7,3-pin plug Package Contents 1 x Power Meter(2pcs LR44 battery not included)