This is a Dr. LED G4 Bi-Pin Blue LED Replacement Bulb designed for a 12 volt direct current (12VDC) system, with a power rating of 1.5 watts. The bulb is classified as new old stock (NOS), indicating it is in unused condition but from a previous stock. It's suitable as a blue LED replacement bulb, specifically featuring a G4 bi-pin configuration. Please note there are no additional specifications or compatibility details provided, so ensure it meets your specific requirements based on its 12VDC and 1.5W properties.