Specifications:
Display mode: 3 Digit round LED tube.
Display color: Red.
Cable length: 20 cm.
Dimensions: Diameter 33.8 mm.
Hole size: Diameter 30 mm.
Operating temperature: -10℃-65℃.
Measuring range: 4V-100V.
Power supply range: 4V-100V.
Minimum start: 3.8 V.
Tolerated error: ±1%.
Input resistance: > 100 KΩ.
Operating current: Refresh rate: approx. 300 mS/hour.

Product Features:
1. This voltmeter can accurately measure DC voltages from 4V to 100V. If it is lower than 4V, it cannot be displayed and if the input voltage is higher than 100V, it may be damaged by permanently.
2. Reverse polarity protection, positive and negative connections do not burn, reverse polarity cannot be displayed.
3. LED DC digital voltmeter head display for measuring voltage., easy to read even in the dark.
4. 3-digit LED digital display DC 4V-100V, helps you keep battery voltage status updated between full charge and discharge with this DC voltmeter.
5. Widely used in automobiles, motorcycles, bicycles, substation automation, distribution automation, test equipment, voltage regulators, etc.

Note: The input voltage should not be higher than 100V, otherwise it will cause burnout.

The package includes:
4 x DC 4-100 V digital voltmeter (Red).
4 x Quick connection terminal.