Specification: OOTDTY Accuracy class: Accuracy ±0.5% pulse frequency 2000 Phase : single phase Current :5(32A) Rated voltage: 220V Output voltage:230VAC Frequency 50Hz Max current 40A Starting current 20mA Measuring range: 0-99999.9 Impluse output: 1600imp/kWh Display type: counter display/LCD dispaly with backlight Installation: 35mm din rail , Meter accurate is +-1% Direct wire connection ,not need through external CT . Specification: Color: White Material: Plastic Outline dimension :116.5*18*63mm Quantity: 1Pc Note: Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Energy Meter