EU Plug AC Power Meters 230v Digital Voltage Wattmeter Power Consumption Watt Energy Meter Electricity Analyzer Monitor Features: Large LCD display for easy reading. Measure voltage, frequency, current, power factor, wattage, minimum &maximum power and record cumulative kilowatt-hour, time and electricity expenses. Seven display modes, transferred by preing "FUNCTION". Overload warning displayed on LCD. Resetting for abnormal display or no-response of button. Built-in 3.6V rechargeable battery (NI-MH) to store electricity and saving setting. Easy electricity price setting. Specifications: Operating voltage: 230V 50Hz Operating current: Max. 16A Wide voltage range: 230V----250V Timing display range: 0second----9999days Wattage display (watts): 0W----3680W Voltage display range: 0V----9999V Current display (amps): 0.0----16.0A Frequency display: 0Hz----9999Hz Minimum wattage display range: 0.0W----3680W Maximum wattage display range: 0.0W----3680W Price display range: 0.00?KWH----99.99?KWH Total kilowatt-hour and cost display: 0.000KWH----9999KWH DIY supplies: electric Product size: 15.5 * 7.3 * 7.5cm / 6.1 * 2.9 * 3inch Package size: 16 * 8 * 8.5cm / 6.3 * 3.1 * 3.3inch Package including: 1 x Power Meter 1 x Instruction Manual