The green light…

Green Light Trigger - GLT 2.0

GLI Led Open Sign for Business – Stand Out with 64 Super-Bright Color Combos to Match Your Brand, Programmable App – Neon Flash, or Scroll – 15 x 32 inch

Neon Open Sign for Business: Lighted Sign Open with Flashing Mode – Indoor Electric Light up Oval Sign for Stores - Includes Business Hours and Open & Closed Signs

Install SignPicture

Watch how to sign 'open book' in American Sign Language.

open a window in ASL