1 Set the pad pro installation This step pro down adapter can transfer 12V or 24V to USB 5V, the maximum conversion efficiency is more than 95 percent . Over current, over temperature and output short circuit protection, 3 intelligent protections. Color: BLACK (WITH ROSE GOLD COLOR) Over current, over temperature and output short circuit protection, 3 intelligent protections. Synchronous straightening technology, sufficient power, maximum conversion efficiency is more than 95 percent . Silicone sealing technology, strong thermal conductivity, waterproof and impact resistance. Made of high quality plastic case, good flame retardant properties. 1 part instruction in Chinese and English Characteristics: Non-isolated step-down converter. Output interface: single USB Input voltage: DC 8-35V Output voltage: DC5V Output current: 3A Output power: 15 W Conversion efficiency: max . ＞95 percent Overcurrent protection: 3.5A Operating temperature: 40-80°C Weight: 43 g Quantity: 1 ks The package includes: 1x voltage pro adapter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.