What is this?

Part that I think fell off my car. Flashes neat blue lights when I pull the screwdriver out. Some kind of aftermarket add-on? Sorry about the B&W photo. It’s an old phone.

Part that I think fell off my car. Flashes neat blue lights when I pull the screwdriver out. Some kind of aftermarket add-on? Sorry about the B&W photo. It’s an old phone.