Batman Signal Light – Peace Origins.

Batman: Dark Victory by Jeph Loeb

Sideshow announces exclusive Arkham Origins Batman XE Suit figure

The Dark Knight (2008) - Plot - IMDb

Batman - Wikipedia

Miniature Bat Signal Smartphone Light

DC Comics Batman Bat Signal Mood Light

DC Comics Batman Bat Signal Mood Light | BoxLunch

Forever Shining, the One and Only Bat-Signal

Bat-Signal, DC Database

Paladone Batman Handheld Projection Torch

Bat Signal Lamp

Los Angeles Will Unveil A RealLife Bat Signal In Honour Of Adam West

Bat-Signal, DC Database

Bat Signal Light

Batman, DC Universe Online Wiki

Vintage 1980s DC Comics Batman Symbol Bat Signal Night Light Jelin Justice League. Works. No brand or label that I can see but looks like similar ones

Vintage 1980? DC Comics Batman Symbol Bat Signal Night Light WORKS!