The GST18A18-P1J is a type of Mean Well switching power supply. It is a single-output power supply with a total output of 18W at 18V. It has a high efficiency rating of 68%, and it is certified to meet the requirements of U.S. DoE Level VI, ErP Level V, and CoC version 5 standards. It has a wide operating temperature range of -30° to 70°C, and it features short circuit, overload, and overvoltage protection. It also features remote control and an adjustable output voltage. Its compact size makes it suitable for applications where space is limited.