Features[High Efficiency] Our DC to DC step up transformer can ensure up to 96% conversion efficiency, which is very practical.[Die Cast Aluminum Shell] Die cast aluminum shell provides good protection for interior board, can also be used as a heat sink.[Full Sealed] The shell is full sealed with epoxy resin, the DC boost module is IP67 waterproof, dustproof, shockproof, more stable to use.[Safety Use] The module has built in over voltage, under voltage, overload, over heating and short circuit protections, safe and reliable.[Widely Used] Suitable for vehicle, safety system, hospital equipment, telecommunication, electrical equipment, led light bar, motor, security equipment, etc.Specification:Item Type: DC to DC Boost ModuleShell Material: Die Cast AluminumPotting Material: Epoxy ResinInput Voltage: 12V (918V)Output Voltage: 20VOutput Voltage: 5AOutput Power: 100WWorking Temperature: 20 to 80Conversion Efficiency: 96%Waterproof Grade: IP67Package List:1 x DC to DC Boost ModulePackage List1 x DC to DC Boost Module