ITEM NAME:DC 6-24V 12V/24v to 5V 3A USB output charger step down power module mini module.Output current: 3A MAX. Synchronous rectification, High efficiency, 6.5V to 5V 0.7A can up to 97.5%, 12V to 5V 1A can up to 94%. There is 1.5A fuse, output 5V have 300W TVS tube protect your USB device.