1.12VDC three-digit transparent display voltage meter with LED light CE certification car marine belt ring The small grid design is novel, the voltage level is clear and easy to read, and the LED light display is clear at night.2. Can display battery saturation and low voltage status3. It can display the charging status of insufficient voltage or wrong voltage, and display whether the battery is still charging4. Installation requires a 29mm installation hole, and the product is installed and fixed with a nylon threaded fixing ring.Easy to installInstallation is very simple, it can be used after being installed in the 28mm hole on the panel and topFunctionCheck battery charge and discharge status, monitor battery voltage and let enter you battery voltage status in time12/24V Connect to your 12/24 volt system, easy to read LED segment indicators Applicable3-digit LED voltmeter, suitable for 12-24V motorcycles, cars, boats, ATVs, UTVs, RVs, trailers, etc.