New Materials: ABS and Electronic ComponentsSize: about 98*76*52mm Power supply: 230V-50Hz Maximum load: 16A, 3680W Minimum power display: 0.1W Measurement accuracy: +/- 2% or +/- 2W (0-100W); +/- 2% ( 100-3250W) Performance accuracy: +/- 2% Minimum powerdisplay: 0.01KWh Cumulative power range: 0.00-9999.9KWh Price range: 0.00-9999 Features: Display line power. The total power collected is displayed and stored. View and save overall service prices. Fine workmanship and good performance. Easy to use.Built to last. Data display: Press the MODE key, the data display is as follows: W-KWh-PRICE, KWH1). Plug in a power outlet and turn on the power, the meter displays active power.2). Press and release the MODE button again and the meter will displaythe 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 SET key when COST-KWH is displayed, the firstnumber of COST-KWH flashes, press UP key to set.2). Press the SET button again to release, the second number COST/KWH flashes, press the UP button to set.3). Press the SET button again, release it when COST/KWH flashes for the third time, and thenpress the UP button to adjust.4). Press the SET button again, release it when the COST-KWH flashes for the fourth time, and then press the UP button to adjust.5). Press the SET button again to release, the decimal point COST or KWH flashes, pressthe UP button to adjust. Data deletion: Press and hold the MODE button for five seconds, KWh, PRICE and COST/KWh data will be deleted. Included in the package: 1x meter socket Note: Do not connect two or more meters togetherDo not plug in devicesthat load more than 16 A. Always make sure each device is fully plugged into the meter socket. If you need to clean the meter, unplug it and wipe the meter with a dry cloth. Please allow 1-5mm size error due to manual measurement. The color of theitem shown in the photo may differ slightly from your computer monitor because the monitor is calibrated differently. Do not connect two or more instruments togetherDo not plug in devices that load more than 16 A. Always make sure that the plug ofany device is fully inserted into the meter's outlet. If you need to clean the meter, unplug and turn off the power, then wipe the meter with a dry cloth. Please allow 1-5mm size error due to manual measurement. The color of the item shown in thephoto may appear slightly different on your computer monitor because the monitor is calibrated differently.