Item features: newMaterial: ABS and electronic componentsSize: approx. 98*76*52mmPower supply: 230V-50HzMaximum load: 16A, 3680WMinimum power display: 0.1WMeasuring accuracy: +/- 2% or +/- 2W (0-100W); +/- 2% (100-3250W)Performance accuracy: +/- 2%Minimum power display: 0.01KWhAccumulated power range: 0.00-9999.9KWh Properties:Display line power.Display and store the total power collected.View and save the price of the total service.Fine workmanship and good performance.Easy to use.Durable in use. 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.Scope of delivery:1*Electricity meter socket