RED LED DC VOLT DIGITAL PANEL METER 3.2v-30V, 1-1/8 Inch Hole Size.

Universal Motorcycle / Car / Boat / ATV / UTV / Camper / Caravans / Travel Trailer etc. Twist-and-Lock mounting. Display: 3 Characters, LED digital lamp display red. Works for 12V or24V. Range 6-30VDC. The mini size makes it easy to install. Works 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. Used to monitor the storage-battery voltage, with reverse connection protection function, meter will not be damaged. Specifications: Dimensions: 36 * 26 mm Material: ABS Measuring Range: 6-30V