This is a Meade #1812 12 volt to 18 volt DC Adapter for use with all Meade LX-100 and LX-200 SCTs. It has a 3 ft input cable for connecting to a car cigarette lighter plug (or Kendrick battery pack) and a 25 ft cable to connect to the scope. Includes all original packaging, instructions, and spare fuse. $60 delivered in the US. Thanks for looking.