DROK 12V/24V To 7.5V/5A DC Power Converter Step Down Regulated Power Supply Waterproof Input Voltage: DC 10.5-35VOutput Voltage: DC 7.5V Output Current: 5A ( if the ambient temperature does not exceed 40 C, it can be used at 4.5A for long time.) Dimension: 46 x 32 x 18mm (L x W x H) without ears Synchronous rectification,waterproof,seismic, moisture, dust Self-Protection: Short circuit protection Overcurrent protection, Automatic return to work after Troubleshooting