Features The voltage shows 4-digit red 0.31 inch LED digital tube, the current and time display adopts 5-digit red 0.31 inch LED digital tube active power, and the electric energy (electricity) display adopts 5-digit green 0.31 inch LED digital tube. When the current is less than 100A, the current display resolution is 0.01A. When the current is greater than 100A, the current display resolution is 0.1A, and the range is automatically converted. Stable performance and high accuracy. Simultaneous display of AC voltage and current power factor. Rail mounted for easy installation,saves effort. Specification:Item Type:Multi-Function Meter Product Model: D52-2047 Measurement Accuracy: 1% + 2 Digit AC Voltage: AC200-450V AC Current AC0-100.0A Measuring Current: 0.01A Resolution when <100A,0.1A when >100A. Active Power: 45000W Electric Energy: 0.000-99999kwh, Decimal Point Free Conversion Time Accumulation: 0.00-999.59h Power Factor: 1000-0.000 Measuring Speed: About 2 Times Per Second Package List:1 x Meter1 x Users Manual Package List 1 x Meter 1 x Users Manual