LOTW-BRO New Arrival DIY Waterproof Monitor Three Wires Dc 0-100V 12/24/36/48v Volt Battery Meter Voltage Tester Automative Electric Cars Gauge Small Digital Voltmeter 0.52" LED Display (Blue)

Notes:
This item includes three wires.red/black/yellow.
Wire Red:Power Supply positive pole,Maximun 30V DC;
Wire Black:Common ground
Wire Yellow:Measure Power Positive Pole
Features:
Dimensions: 54x30x27mm
Cutting Size: 47.2x27.3mm
Measure range: DC 0-100V
Power Supply:DC 3.3-30V
Permissible Error: 1% (+ / - 1 digit)
Display: three 0.52 LED digital tube
Display Color:
Refresh rate: about 200mS
Current consumption: about 5-20mA
Operating temperature: -10 °c ~ 65 °c
Voltmeter with epoxy potting, Full waterproof design, Oil Pollution Prevention, Moistureproof, Shockproof, Dust-proof With Reverse polarity protection
Package Include:
1x Digital Voltmeter