Universal for: Car / Motorcycle / Boat / ATV / UTV / Rolling / Trailers / Travel Trailer etc.Turn and close system. Display: 3 bits, LED digital tubeIt works for 12V-24V. Mini size and easy to install, it works great to check the voltage.Status of your battery between fully charged and discharged.The meter has LED segments that are easy to read and connect to your 12 volt system.Used to monitor the storage voltage of the battery, with protection function with reverse connection, the line will not burn.It captures the voltage status of the battery, the voltage measurement purposes can also be used for other products.WaterproofColor: BlackLED display: GreenMeasuring voltage: 6-30VSize: 1.4 inchx 1.4inch x 0.5 inchType of Interface: anode and cathodeEco-friendly material: PlasticApplication: Universal for all cars, motorcycles and other universal models.Package Includes:2 x LED DC voltmeter4 x blue Isolated terminalsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.