Product Description Battery charge status Indicator with hour meter - two LED screens showing battery charge status graph, voltage or power volume percentage or running hour counting. It suits for lead acid battery, SAL battery and li-ion battery in electric vehicle, boat, sweeper and forklift. Notice:For li-ion or lifepo4 battery, it is required to learn more about the battery pack information like xSxP. If user want to change settings in the menu, please input 7 in the PAS o the menu to unlock the menu. Display content: Batterys remaining power volume LED bar with four colors (blue, green, yellow, red) Batterys voltage (V) Batterys charging percentage (%) Hours count (H) Specification: Display: 10 LED Bar (1 blue,4 green.3 yellow.2 red LEDs) + 3 digital number Operating voltage: 5-100V Operating current: Lower than 20mA Working temperature: -20C to 85C Dimension: housing case 60mm, cutout 50-52mm, U clamp:62x25x10mm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.