Features: Universal for: Motorbike Car / Boat / ATV / UTV / for Camper / Caravans / Travel Trailer etc. Twist-and-Lock system.Display: 3-bits, LED digital tube, lamp display is optional (Red, White, Blue, Green, Orange) . It works for 5V-48V. Mini size and easy to install,work great for checking Voltage. With for Touch ON OFF Switch,easy to use and save energy. Support battery voltage value and capacity percentage of battery display for Touch about 5s to turn on or turn off the power. The state of your battery between full charged and discharged The meter has easy to read LED segments and connect to your 12 volt system. Used to monitor the storage-battery voltage, with reverse connection for protection function, line will not be burnt. Timely grasp the state of battery voltage, voltage measurement purposes can also be used for other products. Specifications: Waterproof; Flame retardant material Measure voltage: for DC 5V - 48V Size: 37x17mm Interface Type: Anode and cathode Eco-friendly Material: Plastic Item color: Black LED display color: Red, White, Blue, Green, Orange (Optional) Application: Universal for all for Cars, motorcycles and other universal models. Package includes: 1 x for DC 5V-48V Voltmeter with for Touch ON OFF Switch