The GST25E48-P1J is a power supply manufactured by Mean Well and it is a 25 Watt, 48Vdc enclosed type, constant voltage power supply designed for LED lighting applications. The power supply is IP67 Rated, so it is protected from dust and it is water submergible. It has overload, short circuit and over temperature protection, as well as active power factor and it has a high accuracy of 2%. It operates at an ambient temperature of -40°C - +80°C and it has a built-in LED indicator which shows whether the power supply is working properly or not. It is the smallest and most reliable LED power supply in its class.