Features DC Power Supply: The digital power converter board can convert 10‑100V input to 0‑90V output, provide you with stable and high power supply. High Efficiency: With a high conversion efficiency, the adjustable buck module also ensures the output current and voltage are constant. Digital Display: Equipped with a LCD, the voltage buck module with cooling fan supports flexible adjustment with high work performance. Extensive Using: Allows for broad application to high power solar light driver, various LED lights, mobile device power supply and so on. Easy to Install: Comes with a light weight and a compact size as well, the convenient installation can be quickly finished in minutes. Specification: Item Type: Voltage Buck Module Material: PCB Input Voltage: 10-100V Output Voltage: 0-90V Output Current: 0-10A Maximum Output Power: 900W Package List: 1 x Voltage Buck Module Package List 1 x Voltage Buck Module