Instructions: The activation button is located under the fabric sleeve directly above the battery housing on the lower part of the wand. Simply press the black button to change the light functions. There are seven light functions to choose from. Set your Pirate Hook with Multi-function LEDs on a still light, quick or slower blinks and sequenced flashes! NOTE: This is a wand that needs to be held, the sleeve does not attach to your arm. Size: One size fits most. Colors: The hook is a translucent plastic and the sleeve is a black fabric. Led Colors: Blue, Jade and Red Batteries: Includes 3 replaceable AG13 batteries. – Weight: 0.17LB