Feature:1. [High Efficiency] Our DC to DC step up transformer can ensure up to 96 percent conversion efficiency, which is very practical.2. [Die Cast Aluminum Shell] Die cast aluminum shell provides good protection for interior board, can also be used as a heat sink.3. [Full Sealed] The shell is full sealed with epoxy resin, the DC boost module is IP67 waterproof, dustproof, shockproof, more stable to use.4. [Safety Use] The module has built in over voltage, under voltage, overload, over heating and short circuit protections, safe and reliable.5. [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 (9-18V)Output Voltage: 20VOutput Voltage: 5AOutput Power: 100WWorking Temperature: -20 to 80Conversion Efficiency: 96 percent Waterproof Grade: IP67.Package List:1 x DC to DC Boost Module