Tool Case Tools Storage Bag Zipper Design Portable Carrying Box for Outdoor Working Long

1、HIGH ACCURACY: Mini digital DC voltmeter possess high accuracy the refresh rate is about 300mS once 2、0V-30V MEASURING RANGE: Measuring range from 0V-30V support low start working voltage the minimum is 4.7V 3、REVERSE CONNECTION PROTECTION: Come with reverse connection protection function no burning when reverse connection 4、LED DIGITAL TUBE: Using three digit 0.36in LED digital tube which possess high brightness and clear display 5、FOR DIY PRODUCTION: Made of PCB material with reliability and miniaturization good maintenance and interchangeability used for DIY production