Features 1、Half sealed ABS waterproof shell with anti-collision design, durable to use. 2、LCD digital display meter has wide measurement range of 4-120V. 3、Two - wire direct test, not need external power supply. 4、Suitable for mastering battery voltage status of automobiles, industrial equipment, etc. 5、LCD digital screen with blue backlight for convenient to read data. Specification Condition: 100% Brand New Item Type: Voltmeter Material: ABS Optional Type: DC7V-20V, DC7V-30V, DC3.5V-20V, DC18V-80V, DC40V- 100V, DC60V-120V, DC3.5V-30V Working Voltage: No need to connect the power supply Display Mode: LCD with blue backlight 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 Operating Temperature: -10 -+50℃ Working Humidity: 10-80% (no condensation) Working Pressure: 80-106kPa Sunlight Exposure: No direct exposure Weight: Approx. 37g / 1.3oz Package List 1 x Voltmeter