ITEM NAME:DC-DC 9V 12V 24V 36V to 5V Step Down Power Board 4 USB Output Buck Charger Product Description Description: DC-DC 9V 12V 24V 36V to 5V Step Down Power Board 4 USB Output Buck Charger Converter Module Feature: 1. Synchronous rectification scheme, wide voltage, high current, high efficiency. 2. With wiring terminal and DC plug, it is very convenient to use. 3. 4 USB ports, all with fast charging identification chip, compatible with Android and iPhone. 4. With exquisite aluminum shell, easy to use. 5. With input reverse connection protection, output short circuit protection. Specification: Working Voltage: DC 9V-36V Output Voltage: 5.2V/5A/25W Output Capacity: 9~24V Input: 5.2V/6A/30W Output 24~32V Input: Output 5.2V/5A/25W 32~36V Input: Output 5.2V/3.5A/18W Product Size: 70 X 40 X 30mm/2.76 X 1.57 X 1.18" Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 X DC-DCÂ Step Down Power Board.32~36V Input: Output 5.2V/3.5A/18W. 9~24V Input: 5.2V/6A/30W Output. With input reverse connection protection, output short circuit protection. Output Capacity 24~32V Input: Output 5.2V/5A/25W. Included: 1 X DC-DC Step Down Power Board.