IP68 waterproof rating, suitable for outdoor solar systems, featuring a high-quality aluminum alloy shell with cable, radiator, and 4 mounting holes. Compatible with three battery types: lithium-ion, iron-lithium, and various lead-acid batteries, allowing flexible charging options. Equipped with an infrared remote control with a range of approximately 4 to 5 meters, offering multiple working modes including 24-hour operation and dawn-to-dusk mode. Users can customize load operating times based on the dawn-to-dusk cycle to meet specific usage requirements. Designed for use with both 12V and 24V solar systems. Automatically detects system voltage when sufficient battery voltage is present. Default battery type is lead-acid; after selecting the desired battery type via remote control, the controller adjusts accordingly. Features power-off memory function. Includes 4 LED indicators for clear monitoring of controller status. Provides comprehensive protection functions: short circuit protection, reverse polarity protection, overcharge protection, and overload protection. Full 4-stage PWM charging management ensures optimal battery performance. Color: As shown Material: Aluminum Alloy Note: Due to different production batches, variations in product appearance and printed text may occur. These differences do not affect functionality. Package Contents: 1 x Solar Controller 1 x Remote Controller The package includes only the items listed above; other accessories are not included. Note: Lighting effects and display settings may cause slight color variations between the image and the actual item. Measurement tolerance: +/- 1-3 cm.