Features: The DC9V-30V to 5V5A Converter is a high efficiency power supply module, offering high conversion efficiency, for stepping down voltages in automotive and electronic applications. This waterproof converter supporting over current, over temperature, input reverse connection, and shortcircuits protections, ensuring reliabled performances under various conditions. This voltage regulator board for those needing stable 5V power for devices such as monitors, routers, speakers, LED lights, and more. Perfectly for vehicles, home automation systems, and outdoor electronics setups, the converter provides dependable power regulation even in challenging environment with its natural cooling designing. Easy installation, this step down module is efficiently manage power requirements across a ranging of DC9V-30V to 5V5A power devices. Specifications: Item: DC9V-30V to 5V5A Step Down Converter Support 25W power supply Input: DC9V-30V Positive Output: 5V5A Negtive Center Part Size：about 65x33x20mm/2.56x1.3x0.78in Waterproof: IP68 Cable length about 11cm/4.33in Package Includes: 1PC DC9V-30V to 5V5A Step Down Converter note: Please allow 1-3mm error due to manual measurement. please make sure you do not mind before you bid. Due to difference between different monitors, the picture may not reflect actual color Thank you!