DROK 0.28 Inches LED Ultra-Small DC Digital 0-100V Voltmeter Battery Voltage Tester Green Display Car Motorcycle Panel Meter 3.0-30 Power Volt Detector Gauge
Parameters: Measuring range: DC 0~100V Operating voltage: DC 3. 0~30V Min
input: DC 0V Max input: DC 100V Measurement accuracy: 1 %(+/- 1 digit) Refresh
Rate：about 200mS/times Operating Temperature: -10 °c ~ +65 °c Power
consumption: 5-15mA in normal condition Display: Three 0. 28 " LED digital
tube Display Color: Green/Red/Blue/Yellow Cutting size: 23. 5mm x 10mm
Mounting holes distance: 28mm Wiring: Red: Power Supply +, (3. 0~ 30V DC)
White: Measure Voltage +, 0~ 100V DC) Black: Power Supply -, Measure Voltage -
Note: 1. The meter requires extra power supply of DC 3. 0 to 30V 2. Its
resolution is 0. 1V and its actual error might larger than 0. 1V Package
Include: 1x Digital Panel Voltmeter
 
Product Features
  

         
Small in size and light in weight,quite easy and convenient to carry out
         
0.28" visible LED display, easy to read even in dim light
         
It requires extra power supply of 3V to 30V; only has three-wires for simple connection
         
With reversed connection protection, meaning it will not burn even when wires are connected reversely
         
Has resolution of 0.1V and the potentiometer in the back side for accuracy adjustment