brand new and high quality Material: Metal + Plastic 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 Red . It works for 12V-24V. Mini size and easy to install,work great for checking Voltage. Mounts in a 1-1/8" hole in panels up, 0.25" thick, a nylon retaining nut holds the meter in place. 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 Measure voltage: 5 - 30V Size: 3.6 x 3.2 x 0.6cm / 1.42" x 1.26" x 0.25" Interface Type: Anode and cathode Eco-friendly Material: Plastic Application: Universal for all for Cars, motorcycles and other universal models. Quantity: 1 PC Note: Due to the difference between different monitors, the picture may not reflect the actual colorof the item. Thank you!