Feature: 1. The meter allows you to easily read the LED segments and connect to a 12‑volt system. Widely used in 12V‑24V cars, trucks, motorcycles, ships, boats, ATVs, RVs, tractors, etc. 2. It is used to monitor the voltage of the battery and has a reverse connection protection function, which will not burn the line. 3. Easy to use, lightweight and easy to install, it is an ideal tool for checking voltage. Touch for about 5 seconds to turn the power on or off. 4. Made of environmentally friendly, flame-retardant and durable ABS plastic, waterproof and wear-resistant. 5. Allow you know the status of the battery voltage in time, and you can also use the voltage measurement for other products. Specification: Item Type: Voltage Meter Material: Fireproof ABS Color: Black HousingWorking Current: 6-30A Input Voltage: DC 12V/24V Switch Type: Touch Sensing ControlLED Display Color: Green Attention to positive and negative poles when connected to the power. Fitment: Widely used for 12V-24V car,truck,motorbike,marine,boat, ATV,RV, tractors,etc.. Package List: 1 x Voltage Meter2 x Insulation Terminal Note: Attention to positive and negative poles when connected to the power.