36V-72V To 12V 15A LED Car Power Adapter Description: Excellent performance --- This converter adapter features high inverter frequency, fast response, small size, light weight, low power consumption Adaptable --- High efficiency and energy saving, with strong adaptability such as low temperature, high temperature, humidity, corrosion, dust, vibration etc All kinds of environment Stable --- Work consistently and suitable for adjusting a wide voltage range; the voltage fluctuation range is wide, the ability is strong , the control precision is high Safety design --- With reverse connection, overflow and short circuit protection, safe and reliable Convenient to install --- Modular circuit structure design is convenient for quick installation Specification: Input voltage : DC 36-72V. Output voltage : DC12V Output current: 15A Fit for: electric scooter, horn , LED light, hernia lamp, dashboard etc red wire: positive input yellow wire: positive output Black : negative Size：90mm x 50mm x 33mm (without wire) The package includes: 1 piece DC to DC Buck Converter