SPECIFICATIONS:

Voltage measurement range:  0.0V-100V
Current test range: 0-10A / 0-100A
Power supply range: 4.5-30.0V DC
Voltage error: ± 0.1%
Current error: ± 1%
Voltage resolution (V): 0.1V
Current resolution (A): 0.01A
External shunt specifications: 75 milliohms
Working current:  <20mA
Refresh rate:  About 300mS once
Display method: Dual three-digit 0.28" LED digital tube
Display color: red + blue
Lead length: 15cm
Dimensions:  48 x 29 x 22 mm  , length  X  width  X  thickness;
An installation hole: 46 x 27 mm
Operating temperature: -10 ℃ ~65 ℃

Precautions:
1. The meter with a range of 50A or 100A must be connected to an external shunt before it can be powered on, otherwise it will burn out.
2. The power supply range of this meter is 4~30V (out of range will burn out), and the measurement range is 0~100V.