Three wires digital voltmeter, 0.28" LED display, mini size, reverse connection protection.
Measure voltage range 0-100V, need DC4-30V external power supply.
Can directly work in 5v, 9v, 12v, 24v electrical circuit.
Stable perfermance and high precision.
Standard size and easy installation.
Material: Plastic, Electronic Components
Size: approx. 3.1 x 1.1 x 1.0cm/1.2 x 0.4 x 0.4inch
Cable Length: Approx. 17cm
Three-wire working voltage: 4.0~40V(with reverse protection)
Three-wire detection voltage: 0.0~100V
Display mode: 3 digit 0.28inch LED digital tube
Display color: red
Working current:<20mA
Install hole size: 23 x 10mm
Refresh rate: 200mS / times
Measurement accuracy: 3%
Operating temperature: -10°c to 65°c