Product Features:
Connection is simple, just need to pick up two lines, a joint reverse protection, then do not burn
Starting voltage is low, only 3.5V, can correct measurement
Variable precision: Precision automatic change below 10.0 V, the highest resolution of 0.01 V, Precision automatic 10.0 V above changes, the highest resolution of 0.1 V
Can be used for measuring the car / battery car / motorcycle battery voltage, and other forms of voltage
Can be used in all kinds of voltage measurement purposes
Potting voltmeter head has:waterproof! Dustproof! Shockproof!
USES the high quality transparent epoxy glue potting.
Can be widely used in automobiles, motorcycles, etc., easy to deal with the bad environment.

Technical Parameters:
weight: 18g
Display color: Red/Green/Blue
Display mode: Three 0.56 LED digital tube
update rate: About 300 ms/time
Physical size: 42 x 24 x 15 mm (L*W* H, not including installation ear)
Opening size: 42 x 24 mm (L*W)
Power supply: Don't need the power supply, direct use of the test voltage as a power supply
Lead wire length: 9cm
The minimum input: 3.50V
The maximum input: 30.0V
Measurement range: DC3.50 - 30.0V
Operation temperature: -10 degrees~65 degrees
Measurement accuracy: ± (1% + 1 Digit)
Red line: Power Supply +, Measure Voltage +, (3.50-30.0V DC)
Black line: Power Supply -, Measure Voltage-