Features: Easy to use. The large LCD display makes it easy to read. Simply plug this unit into the wall with a power outlet. Save money: calculates your electricity expenses. The dimensions of the product are described in detail in the product image. Measure voltage, frequency, current, power factor, power, minimum and maximum power, and record cumulative kilowatt hours, time, and electricity costs. Digital meter only, other accessories demo in the picture are not included! Specification:Material: ABS & Metal Dimensions: 15 x 7.5 x 3.5cm/5.91 x 2.95 x 1.38inchColor: White Quantity: 1 PcEnergy Meter Power Consumption: 0.5W Working Voltage: 230VAC Frequency Display: 50HZ Working Speed: Max. 16A Wide Voltage Range: 230V-250V Time Display Range: 0 seconds - 9999 days Voltage Indicator Range: 0V - 9999V - 9999V Display Area (amps): 0.000A - 16.000A Frequency Display: 0Hz - 9999Hz Total KWh and Display Cost: 0.000KWh-9999KWh, 0.00 COST-9999CO Note: 1. Please allow 0-1cm error due to manual measurement. Pls make sure you do not mind before bidding.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Included:1 x Digital Meter