Features: Intelligent Boost and Buck Logic. Extremely Compact and Lightweight. Prioritize Solar Green Energy. Smart Living Unleashed. Adapt to Divers DIY Configuration The device utilizes 'boost and buck' logic for efficient voltage management, allowing 12V solar panels or generators to power a 24V system. Conversely, when connected to 24V solar panels or generators, it seamlessly switches to 'buck' logic, automatically reducing the voltage to charge a 12V house battery. Extremely Compact and Durable Crafted from high-quality sheet metal, this charger features IP67 waterproof and withstands temperatures up to 600°C. It offers adaptable installation in tight spaces, giving you the ultimate off-grid energy freedom without compromising comfort. Charging Mode Auto-Switching Featuring dual charging options, this charger utilizes the alternator-linked starter battery and solar panels simultaneously, reducing charging time with 99% MPPT tracking efficiency. During travels, it maximizes solar charging in ample sunlight and seamlessly switches to alternator charging in unfavorable sunlight conditions. Smart Living Unleashed Equipped with built-in Bluetooth, this charger enables remote control via smartphones or other smart devices to monitor battery levels, adjust charging settings, and initiate remote starts. Additionally, it supports wired CAN communication, allowing connectivity with computer-based CAN monitoring tools for data transfer and sharing. Package Includes: 1 x RENOGY IP67 50A DC-DC Battery Charger with MPPT 1 x Battery Temperature Sensor 1 x Quick Guide 4 x Terminal Ring 1 x Install Screw