Features: Universal for: Motorbike Car / Boat / ATV / UTV / for Camper / Caravans / Travel Trailer etc. Used to monitor the storage-battery voltage, with reverse connection for protection function, line will not be burnt. 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; The meter has easy to read LED segments and connect to your 12 volt system. With for Touch ON OFF Switch,easy to use and save energy. for Touch about 5s to turn on or turn off the power. Support battery voltage value and capacity percentage of battery display. Specifications: Measure voltage: for DC 5V - 48V Application: Universal for all for Cars, motorcycles and other universal models. Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x for Touch ON/OFF Switch