Features: This controller is an intelligent, multi-purpose solar charge and discharge controller. It can automatically identify 12V and 24V (or 48V). Please ensure the battery has sufficient voltage when installing it for the first time. The solar controller features a fixed liquid crystal display; various control parameters can be flexibly set to fully meet different application needs. Wide range of applications: suitable for solar garden lights, solar light billboards, solar insecticidal lights, solar power generation systems, marine solar power generation systems, and other solar energy systems. This solar controller can fully meet your home photovoltaic system requirements, including home lighting systems. Package Includes: 1 x Solar Charge Controller Specifications: Material: Metal Current: 10A / 20A / 30A Automatic Identification: 12V / 24V Working Temperature: 0°C to 60°C Size: As shown Note: 1. Please allow 1-2 cm errors due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences between monitor displays, the picture may not reflect the actual color of the item.