Description: 【Wide Voltage Range】: Ideal for RV and marine enthusiasts, this quality battery monitor supports 10V to 100V systems with audible 60-80dB alarm alerts. No more guessing about voltage levels or risking battery damage from undetected power issues 【Clear LCD Display】: Features a great visibility LCD screen that shows precise voltage and charge status readings. Ideal for real time moniting, no more squinting at dim displays or inaccurate analog gauges 【Multi Vehicle Compatibility】: Compatible for RVs, cars, yachts, and golf carts with various battery systems. No more searching for different monitors for each of your vehicles or power setups 【Sturdy Temperature Performance】: Operates reliably from -19°C to 80°C (-2.2°F to 179°F) in challenging environments. Ideal for all season use, no more moniting failures during extreme weather conditions 【Easy Installation】: Compact 2.44" x 1.34" x 0.55" size with standard 2.30" x 1.12" cutout for simple panel mounting, LCD Display size 1.30" x 0.65". No more complicated modifications Specification: Material: ABS Plastic Size Chart: 6.2cmx3.4cmx1.4cm/2.44inchx1.34inchx0.55inch Package Includes: 1 Voltage Monitor 3 Wires Note: Please allow slightly errors due to manual measurement and different monitors.