Extend fetch time to early mornings and late nights with LIGHT PLAY fetch toys Charge under bright light 5 to 10 minutes for 20 to 30 minutes of high-visibility, lighted play Recharge in seconds with a bright flashlight Fast charging MAX GLOW rubber helps you and your dog track the ball in low light Launcher compatible MAX GLOW products are made with a safe, high quality photo luminescent material that is both chemically and biologically inert.