Features: This 12V Battery Level Indicator Module features four segment LED display, providing easy to read visual representation of battery charge levels at 20%, 50%, 80%, and 100, ensuring you always know your power status. Design with high precise voltages detection circuitry, this module offers accurate battery level readings and is equipped with simple wiring interfaces for effortless installation. Ideal for enthusiasts, DIY hobbyists, and professionals who require reliable battery monitoring solution in their projects or devices. Perfect for use in various applications such as electric tool, UPS systems, solar power setups, and electric vehicles, this module ensures efficient power management across different environment. With its energy efficient design, the module minimizes power consumption, making it excellent for maintaining optimals battery performances without additional drain. Specifications: Component:Plastic Size:Approx.22x17mm/0.87x0.67inch Option Type:1pc,2pcs; Features:Onboard High-Precise Voltages Detection Chip and Power Regulator Chip;Onboard 4Bit Power Indicators LED Lights, Divided into Three Color, Red, Yellow and Green;Represent 20%, 50%, 80%, 100 of the Electricity;Set Aside Battery Detection Interfaces and Two Mounting Holes; Package Includes: Package A 1pc Battery Levels Indicators Module Package B 2pcs Battery Levels Indicators Module note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.