LPV-100-24 is a 24V 4.2A 100W switching power supply, made by Mean Well, a Taiwanese electronics manufacturer. It is very reliable, has a wide range of input voltage, is highly efficient, and can be used in a variety of environments. The LPV-100-24 has over voltage, over load, and short circuit protection, and can be connected to a variety of host devices through two cables (input and output) that comes with it. It also has a temperature range of -20 to +60 degrees Celsius, and an MTBF (Mean Time Between Failure) of 50Khrs at 25 degrees Celsius environment. The LPV-100-24 is a great choice for a variety of projects, and will last a long time as long as it is handled properly.