NOYITO 0.36 inches LED Ultra-Small DC Digital 0.00-30.0V Voltmeter 3-Wire 2-Wire Battery Voltage Tester Red Blue Green Three Colors Display 4.5-30 Volt Power Supply (Pack of 3) (Green)
Parameters: Measuring range: DC 0.00V-30.0V Power supply range Red:
DC4.50-30.0V, Green: DC 4.70-30.0V, Blue: DC5.00-30.0V Working current Red
<23mA, Green <18mA, Blue <13mA Measurement accuracy:+/-1 %(+/- 1 digit)
Refresh Rate：about 300mS/times Operating Temperature:-10 °c ~ +65 °c
Display:Three 0.36 " LED digital display Display Color:Green/Red/Blue Lead
length: 15cm Size:23 x 15 x 10 mm LWH Mounting holes distance:28mm Hole
diameter:2.8mm Wiring: Red: Power Supply +,(4.5~ 30V DC) Yellow: Measure
Voltage +,(0.00~ 30.0V DC) Black: Power Supply -, Measure Voltage - Note:
1.The meter requires extra power supply of DC 4.5 to 30V 2.Its resolution is
0.1V and its actual error might larger than 0.1V Package Included: 3pcs NOYITO
0.36" LED Ultra-small DC Digital 0.00-30.0V Voltmeter
 
Product Features
  

         
Small in size and light in weight,quite easy and convenient to carry out. There are three colors of red, blue and green
         
0.36" visible LED display, easy to read even in dim light
         
It requires extra power supply of 4.5V to 30V; only has three-wires for simple connection.Red DC4.50-30.0V, green DC4.70-30.0V, blue DC5.00-30.0V . It can also be used as a two-wire voltmeter.
         
With reversed connection protection, meaning it will not damage even when wires are connected reversely
         
Working current: Red - 23mA, Green - 18mA, Blue - 13mA