Easily measure the power consumption and cost of electrical appliances. Just insert the instrument into the wall, and then insert the device into the instrument. With this power meter monitor, you can determine the cost of the standby equipment, the power factor, whether the equipment is really charged and how long it has been charged. It is important to measure various parameters: power (W), energy (kWh), volt, ampere, hertz, power factor and maximum power (W), time, days - kWh, because this is the basis of your electricity bill. Specification:Working voltage: 230V 50HzWorking current: max. 13AWide voltage range: 230V-250VWatt display (Watt) is 0~2900W Color: whitePackage includes: 1 x power meterNote: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding< br> 2. The color may vary depending on the display. Please understand< br> Note: Hello, please pay attention to your shipping address when purchasing products. If your receiving information (such as name, street, house number, doorbell/email without name) is incorrect, the order will not be delivered correctly.)