Brand New Material: ABS and electronic components Size: approx. 98*76*52mm Resuffance: 230V-50Hz Maximum load: 16A, 3680WMinimum power display: 0.1W Measurement resistance: +/-2% or +/-2W (0-100W); +/-2% (100-3250W) Accuracy: +/-2% Minimum power display: 0.01 KWh Cumulative power range: 0.00-9999.9KWh Price range: 0.00-9999 Resin: Line power display. Displays and stores the total power collected. View and save total service prices. Nice work and good performance. Easy to use. Built to last. Data display: Press the MODE key, the data display is: W-KWh-PRICE, KWH1). Plug in a power outlet and turn on the power, the meter displays the active power. 2). Press and release the MODE button again, the meter will display the accumulated KWh.3). Press and release the MODE button again and the meter displays the total power. 4). Press and release the MODE button again, the meter displays COST-KWH. Package/price per kWh: 1). Press SET key when COST-KWH is displayed, the first number of COST-KWH flashes, press UP key to set. 2). Press SET button again to release, the second COST/KWH number flashes, press UP button to set. 3). Press the SET button again, release it when COST/KWH flashes for the third time and press the UP button to set. 4). Press the SET button again, release it when COST-KWH flashes for the fourth time and press the UP button to set. 5). Press SET button again to release, COST or KWH decimals flash, press UP button to set. Deletion of data: Press and hold the MODE button for five seconds, the KWh, PRICE and COST/KWh data will be deleted. Do not plug in appliances with loads higher than 16 A. Always ensure that the each device's plug is fully inserted into the player's jack. To clean the multimeter, unplug the power plug and wipe the multimeter with a dry cloth. Please allow 1-5mm size error due to manual measurement. Due to different monitor calibrations, item colors displayed in photos may be showing slightly different on your computer monitor. Do not connect two or more instruments together.