Brand new Material: ABS and electronic components Size: approx. 98*76*52mm Power supply: 230V-50Hz Maximum load: 16A, 3680W Minimum power display: 0.1W Measuring accuracy: +/- 2% or +/- 2W (0-100W); +/- 2% (100-3250W) Performance accuracy: +/- 2% Minimum power display: 0.01KWh Accumulated power range: 0.00-9999.9KWh Price range: 0.00-9999 Feature: Display line power. Data display: Press the MODE button, the data will be displayed as follows: W-KWh-PRICE, KWH 1). Plug in the power outlet and turn on the power supply, the meter shows the active power. 2). Press and release the MODE button again, the meter will show the accumulated KWh. 3). Press and release the MODE button again, the meter displays the total power. 4). Press and release the MODE button again, the meter displays COST-KWH. Fixed price/KWh price: 1). Press the SET button when COST-KWH is displayed, the first number COST-KWH flashes, press the UP button to set. 2). Press the SET button again and release, the second number COST/KWH flashes, press the UP button to set. 3). Press the SET button again and release it when COST/KWH flashes for the third time, press the UP button to adjust. 4). Press the SET button again and release when COST-KWH flashes for the fourth time, press the UP button to adjust. 5). Press the SET button again and release, the decimal place COST or KWH flashes, press the UP button to adjust. Data deletion: Press and hold the MODE button for five seconds, KWh, PRICE and COST/KWh data will be deleted. Package included: 1x electricity meter socket Note: Do not connect two or more instruments together. Do not plug in devices with a load above 16 A. Always make sure that the plug of each device is fully plugged into the socket of the meter. If you need to clean the meter, please unplug it from the power supply and wipe the meter with a dry cloth.