VvW 2 Wire Dc 2.7-30v Waterproof Car Battery Condition Gauge Auto/motorcycle Volt Meter Green LED +Waterproof

Features:
Dimensions: 40 x 25 x 23mm
Cutting Size: 37x20mm
Measure range: DC 2.7-30.0V
Minimum input: DC 2.7V
Maximum input: DC 30V
Permissible Error: 1% (+ / - 1 digit)
Display: three 0.40" LED digital tube
Display Color: Blue
Refresh rate: about 500mS
Current consumption: about 5-20mA
Operating temperature: -10℃ ~ 65℃
Voltmeter with epoxy potting, Full waterproof design, Oil Pollution Prevention, Moistureproof, Shockproof, Dust-proof
With Reverse polarity protection

Please Note:
Do not need power supply, can measure 2.5-30V directly
If the input voltage is below 3.5V, the display brightness dims
If the input voltage is below 2.5V,measuring inaccurate or no display
If measure 10V below, accurate to 0.01V,display x.xx
If measure 10V or more,accurate to 0.1V,display xx.x

Package Include:
1x Digital Voltmeter