1. Basic current: 100A
2. Reference voltage: 50-300V
3. Frequency: 50/60Hz
4. Display mode: digital display
5. Parameters:
- Voltage: measuring range: AC50-300V; starting voltage: 50V; measuring accuracy: +/- 1 percent
- Current: measuring range: 0.02-100A; starting current: 0.02A; measuring accuracy: +/-1 percent
- Active power: measuring range: 0.5-30kW; starting current: 0.5W; measuring accuracy: +/-1 percent
- Power: measuring range: 0-1999kWh; overflow hold, unless it is considered to be cleared to zero; measuring accuracy: +/-1 percent
6. Dimensions: 78 x 34 x 65mm

Function:
1. Measurement of AC voltage, current, active power, electricity and display through the LCD liquid crystal screen
2. Backlight control: short press the key to turn on or off the backlight
3. Power zeroing: press and hold the key for more than 3 seconds until the power flashes, release the key and press it again to zero the power, otherwise it will stop flashing after 3 seconds and not zero the power
4. Data saving: power, backlight status can be saved after power failure