Description: This voltmeter with LED display is perfect for checking voltage. It can be used to monitor the battery voltage and grasp the battery voltage status quickly, and the voltmeter will flash when the voltage is too high. There are 3 colors of indication to show different voltage states, which obviously helps to check the condition of the vehicle's battery and greatly improves safety. Features : 1. This voltmeter is used to monitor the battery voltage and instantaneously determine the state of the battery voltage. 2. It will flash when the voltage becomes too high. 3. It has a LED display with 3 color indications that show different voltage levels, which helps to check the condition of the vehicle's battery in an obvious way and perfectly improve safety. 4 . It is waterproof and durable for a long time of use. 5 . With a twist and lock system, it is small and easy to install. 6. It is universal for most 12V DC vehicles, such as motorbikes, cars, boats, ATV, UTV, motorhome, caravans, caravans etc. Specifications: Material: ABS Color: Black Coating Input voltage: DC 12V Voltage measurement range: 5-15V (blue digital display) LED Color: Red (11.3V-11.9V), Amber (12V-12.5V), Green (12.6V-15V) Size (length x depth ): 4.1 x 3.7 cm / 1.61 '' x 1.46 '' Package weight: approx. 22h The package includes: 1 x Voltmeter with LED display 2 x clamp connectors Easy to install, but professional installation is highly recommended. Please be aware: