【PRODUCT SPECIFICATION】:Appearance Size: Approx. 80 x 42 x 13mm / 3.2 x 1.7 x 0.5in. Installation Size: Approx. 76 x 39mm / 3 x 1.5in. Measurement rate: ≥2 times /s. Working Pressure: 80-106kPa 【SCOPE OF APPLICATION】:This two wire DC voltage meter is suitable for mastering battery voltage status of automobiles, industrial equipment, etc. Two - wire direct test, not need external power supply 【PRODUCT DESCRIPTION】:Half sealed ABS waterproof shell with anti-collision design, durable to use. LCD digital display meter has wide measurement range of 4-120V 【PRODUCT FEATURES】:LCD digital screen with blue backlight for convenient to read data. The external shell can prevent it from damage. This voltage meter panel has high accuracy voltmeter 【BUY WITH CONFIDENCE】:We guarantee you have a good shopping experience. Please feel free to contact us at first if there is any problem,and we are always here to support you, Manufacturer: Oumefar