Christmas light

Christmas lights were a common type of Christmas decoration.

Oxford Street was known for having several Christmas lights up during the season. (PROSE: Frontier Worlds)

The Brigadier described the lit-up surveillance devices planted in UNIT HQ by as Christmas decorations. (COMIC: The Heralds of Destruction)

The neurological trackers the Thirteenth Doctor had created for Graham, Ryan, and Yaz resembled Christmas lights. (COMIC: Holiday Special)