To activate your Fiber Optic Wand with Multicolor LEDs press the ON button. Wands have 1 mode, mood scroll then flashes all colors and repeats. NOTE: Fiber Optic Wands are sold in singles. Wand Width: 0.75” Wand Length: Approx. 13” LED Colors: Red, green, and blue. Comes ready to use with 3 AG13 batteries. Batteries are replaceable.