Description: Excellent Performance --- This converter adapter features high inverter frequency, fast response, small size, light weight, low energy consumption Adaptable --- High efficiency and energy saving, with a strong adaptability, such as low temperature, high temperature, humidity, corrosion, dust, vibration, etc. all kinds of environment Stable --- Work steadily and appliable for regulating a wide range of voltage; the range of anti-voltage fluctuation is wide, the ability is strong, the control precision is high Security Design --- With reverse connection, overflows and short circuit protection, safe and reliable Convenient to Install --- The modular design of circuit structure are convenient for fast installation Specification: Input voltage: DC 36-72V Output voltage: DC12V Output current: 20A Fit for: Electric Scooter, horn, LED, hernia lamp, instrument panel, etc red wire:input positive yellow wire:output positive Black:negative Size90mmx50mmx33mm(not include wire) Package Includes: 1 Piece DC to DC Buck Converter _x000D_