1Rail mounted for easy installation,saves effort. 2Simultaneous display of AC voltage and current power factor. 3Stable performance and high accuracy. 4When 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. 5The 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. 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. 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 border: 1px solid000important;}1 x Meter1 x Users Manual