IP68 waterproof rating, suitable for outdoor solar systems, featuring a high-quality aluminum alloy shell, equipped with cable, radiator, and 4 mounting holes. Compatible with three types of batteries: lithium-ion, iron-lithium, and various lead-acid batteries. Includes infrared remote control with an operating distance of approximately 4 to 5 meters, offering multiple working modes including 24-hour operation and dawn-to-dusk mode. Adjustable load timing based on dawn-to-dusk mode to meet specific usage requirements. Supports both 12V and 24V solar systems; automatically detects system voltage when battery voltage is sufficient. Default battery type is lead-acid. Battery type can be selected via remote control, allowing voltage adjustment according to the connected battery. Features power-off memory function. Equipped with 4 LED indicators for monitoring controller status. Includes comprehensive protection functions: short circuit protection, reverse polarity protection, overcharge protection, and overload protection. Full 4-stage PWM charging management. Color: As shown Material: Aluminum alloy Note: Product appearance and printed text may vary slightly between batches, but this does not affect functionality. Package Contents: 1 x Solar charge controller 1 x Remote control Only the items listed above are included; other items are not part of the package. Note: Lighting effects and display settings may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.