Feature 1. This is a monitoring and test instrument used to determine the power consumption and electricity cost of connected equipment. 2. Measure voltage, frequency, current, power factor, power, minimum and maximum power and record cumulative kWh kWh, time, date and electricity bill. Specification Working voltage: EU 230V 50Hz Working current: maximum 16A Wide voltage range: EU/UK plug 230V - 250V, US plug 110V - 130V Timing display range: 0 seconds----999​​9 days Display power (Watts): 0W----3680W Voltage display range: 0V----999​​​9V Current display (Ampere): 0.0----16.0A Frequency display: 0Hz----999​​​9Hz Minimum power display range: 0.0W----3680W Maximum power display range: 0.0W----3680W Price display range: 0.000KWH----99.99KWH Total kWh and cost display: 0.000KWH----999​​9KWH DIY Supplies: Electric Plug: EU plug color: blue Product size: 62X76X129mm Package size: 82X65X145mm/3.23 x2.56 x5.71 in Package includes 1 * plug-in power meter