American Standard U.S. Electricity Metering Socket Large Screen Power Calculator American Standard Gauge Smart Billing Meter 110V

Features: 
Large, easy-to-read LCD display measures voltage, frequency, current, power factor, wattage, minimum and maximum power, and records accumulated kWh, time and cost.
Seven display modes, switchable by pressing “Function”.
Overload warning is displayed on the LCD.
Abnormal display or unresponsive buttons can be reset by pressing the reset button.
Built-in 3.6V rechargeable battery (NI-MH) to store power and save settings for easy tariff setting.

Specifications: 
Plug type:US plug 
Power consumption of power meter monitor:0.5W 
Operating voltage:120VAC 
Frequency display:60HZ 
Operating current:15A max 
Wide voltage range:110V-130V 
Setting of wattage display(wattage) is 0W?9999W;but the actual wattage display(wattage) is 0?1800W 
Time display range:0Seconds?9999Days 
Voltage display range :0V?9999V 
Current display(Amp):0.000A?15.000A 
Frequency display:0Hz?9999Hz 
Price display range:0.00COST/KWH99.99COST/KWH 
Total KWh and cost display:0.000KWh-9999KWh,0.00Cost ----9999Cost 
Product size. 15.5*7.3*6.6 cm/6.1 *2.9*2.6 inches 
Product weight:200g/7.1oz 
Package size:16*8*8.5 cm/6.3*3.1 *3.3 inches 
Package weight:240g/8.4oz