High and stable conversion efficiency - synchronization rectification technology-multiple intelligent protection function. Die-cast aluminum shell, expoxy potting, cooling by free air convection. High conversion efficiency up to 96%. 100% full rated power and stable output voltage.Safty Protections - Over-load, Over-current, Over-temperature, Short-circuit, Over-voltage; Auto-recovery when device is back to normal operating, over 100,000 hours lifetime.Wide application - fits for car, truck, vehicle, boat, electric bike, bus, cmb, club cart, LED strip lights, display moniter screen of taxi, car radio audio device, LCD TV, DVD, IP camera, speaker system, GPS, air-conditioner, electric fan and any 24v DC appliances. (Note: Never connect to solar panel or wind turbine. Never charge the battery.)Waterproof and portable - with aluminum alloy shell, silicone gel package, IP68 waterproof rating, 100% waterproof , can work in rain; small and portable, easy to install.DC to DC 12V to DC 24V 20A 480W - input voltage range DC 11-16V; output voltage: DC 24V(non-adjustable); output current: 20A(max.); output power 480W.