Feature: 1. Input and Output: The input voltage of the buck module is 72V (30-90V), the output voltage is 12V 3A, with 96% high conversion efficiency. 2. Die Cast Aluminum: The converter module uses cast aluminum shell, which is shockproof and dustproof, ensures good heat dissipation effect. 3. Multiple Usages: The buck module is used for vehicle, safety system, electrical equipment, LED light bar, motor and security equipment. 4. Good Protection: Built in overvoltage, undervoltage, overload, overheating and short circuit protection, the converter module is safe to use. 5. IP67 Waterproof: The buck module has IP67 waterproof grade, with epoxy resin potting to ensure stable structure and good sealing. Specification: Item Type: DC Buck Module Shell Material: Die Cast Aluminum Potting Material: Epoxy Resin Input Voltage: 72V (30-90V) Output Voltage: 12V Output Voltage: 3A Output Power: 36W Working Temperature: -20℃-80℃ Conversion Efficiency: 96% Waterproof Grade: IP67 . Package List: 1 x Buck Module