Features:

• The voltmeter use 0.28 inch digital tube display, with super small volume, area with only a coin similar
• Connection is simple, just need to pick up two lines, a joint reverse protection, then do not burn
• Starting voltage is low, only 2.50 V, can correct measurement
• To achieve the best measurement precision, the voltmeter will measure the voltage according to the different automatic moving the position of the decimal point
• 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
•  
• Specifications:
• Display Light Color: Red/Yellow/Green/Blue
• Display mode: Three 0.28 LED digital tube
• Measuring rate: ≥200 ms/time
• Power supply: Don't need the power supply, direct use of the test voltage as a power supply
• The minimum input: 2.4V
• The maximum input: 40V
• Measurement range: DC 2.4-40V (It has reverse connection protection function)
• Working Current: <300mA
• Operation temperature: -10~65°
• Measurement accuracy: 3‰
• Mounting holes distance: 26mm
• Red line:Power Supply +,Measure Voltage +,(2.50-40V DC)
• Black line: Power Supply -, Measure Voltage-
• Lead wire length: 10 cm
• Size: 30x10x7mm (LxWx H)
• Quantity: 1 Pc
• Note:
• Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid
• Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package Contents: 

• 1 x Voltmeter(without retail box)