is is a LED DC digital voltmeter head display for measuring voltage. It can capture the voltage state of the battery fully charged and discharged in time, with 3-digit LED digital display, which is often used in various automobiles and other various measurement scenarios
Specifications
Measuring range: 5V~100V
Power supply range: 5V~100V
Minimum startup: 3.8V
Allowable error: plus or minus 1%
Input impedance: more than 100K ohms
Working current: red is less than 15mA, green is less than 12mA
Refresh speed: about 300mS/time
Display mode: three round LED digital tube
Display color: red/green (optional)
Working temperature: -10℃~65℃
Note: The input voltage should not be higher than 100V, otherwise it will cause burnout
Package includes:
5 x DC 5-100V Digital Voltmeter(Green)
10 x Knob cap