This product is with over-current and over-temperature protection. It is in compact design, high efficiency and easy installation. Description: Synchronous rectification, low heat Over-current andover-temperature protection Low power consumption, high conversion rate All-plastic irrigation technology, waterproof, damp proof, anti-shock, adapt to harsh environments External Color: Silver Material:Aluminum Output Voltage: DC 5V Input Voltage: DC12V (DC10-22V) Size: Approx 1.61 x 0.98 x 0.79 inch/ 41 x 25 x 20mm Package Includes: 1 x Power Converter