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Feature

High accuracy: its Decimal point will automatically move, and it also has a tiny potentiometer to do finer adjustments
Easy to connect wires: it only has two wires, the red connects to positive and the black connects to negative
Safe to use: with reversed connection protection, it will NOT be burnt even when connected reversely, but the screen display nothing
Large screen and bright LED display, and it is well Made, the strong plastic case prevents it from easily damaged by outer force
It is perfect to monitor the condition of the battery, especially for solar projects, you can use it on your car, trailer, motor, etc

Description

Refresh rate: about 500mS / times
Operating temperature: -10c to 65c
Dimension: 482922mm
Cutting size: 4627mm
Measuring voltage range: DC 3-30V
Maximum input: DC 30V (if the input voltage is higher than DC30V, the voltmeter will be burnt)
Minimum input: DC 3V (if the input voltage is lower than DC 3V, the value will be inaccurate or not displayed)
Measurement accuracy: Less than 10V, accurate to 0.01V; More than 10V, accurate to 0.1V If measure 10V below, accurate to 0.01V,display x.xx
If measure 10V or more,accurate to 0.1V,display xx.x
(allowable tolerance: 1% +/- 1 word)
Display: 3 digit 0.56'' LED digital tube
Font Color: blue
Refresh rate: about 200mS
No need power supply
Consuming current: less than 20mA (generally 5-15mA)
Operating temperature: -10c-65c
Wire length: 20cm
Reverse connection protection: YES
Method of wiring:
Red wire: Positive
Black wire: Negative Note:

Please don't use this meter in 24V battery because when the battery is full-charged, its voltage will be about 30V
(the max input volt for this meter), and we don't suggest you use it in max volt of 30V.
Package Includes:
1 0.56'' Voltmeter