Features High Accuracy: The voltmeter and ammeter can easily test out both voltage and current in real time, and the high accuracy is very reliable. Clear Display: Equipped with 4 digit LED display with high brightness, the digital voltmeter is very easy to read, largely simplifying the use. Wider Utility: Suits perfectly for the voltage and current measurement of various DC power supplies, batteries, chargers, and other devices. Use Great ABS: Premium ABS material is adopted, which has been through excellent workmanship and has durability and safety for long term use. Easy to Install: Comes with a compact size and a light weight as well, the voltage current meter is very convenient to install within minutes. Specification: Item Type: Digital Voltmeter Ammeter Material: ABS Mounting Size: Approx. 45 x 26mm / 1.77 x 1.02in Panel Size: Approx. 47 x 26 x 28mm / 1.85 x 1.02 x 1.1in Package List: 1 x Digital Voltmeter Ammeter Package List 1 x Digital Voltmeter Ammeter