Features: LCD DIGITAL DISPLAY - The liquid crystal display mode visually displays the remaining power, and the liquid crystal electric quantity is 70% lower than that of the conventional digital tube. SIMPLE DESIGN - Our battery power display meter with reverse connection protection, the wiring is s and convenient, and easy to install. UNIVERSALLY SUITABLE - Compatible with lead-acid batteries, lithium batteries, and iron-lithium batteries. WATERPROOF DESIGN - PVC film, waterproof surface, prevent water damage to equipment. COMPLETE SET - With mounting screws, no additional parts are required to save costs.There are 3 Colors can be choose. Specification: Material: PCB/HTN Light Color: Blue Light, White Light, Green Light (optional) Display Range: 8-100V Compatible Battery: Lead acid battery, lithium battery, iron lithium battery (can be set by yourself.) Applicable Battery Voltage: 12-84V Working Temperature: -10 °C ~ 50 °C Product Size: Approx. 6.3x2.5x1.4cm / 2.5x1.0x0.6inch Package List: 1 x Display 1 x Connection Line 3 x Screws LCD DIGITAL DISPLAY - The liquid crystal display mode visually displays the remaining power, and the liquid crystal electric quantity is 70% lower than that of the conventional digital tube. SIMPLE DESIGN - Our battery power display meter with reverse connection protection, the wiring is s and convenient, and easy to install. UNIVERSALLY SUITABLE - Compatible with lead-acid batteries, lithium batteries, and iron-lithium batteries. WATERPROOF DESIGN - PVC film, waterproof surface, prevent water damage to equipment. COMPLETE SET - With mounting screws, no additional parts are required to save costs.There are 3 Colors can be choose.