Light Up Hoodies for Kids Light Up Hoodie is Machine Washable. Takes 2 AA Batteries (Lasts 12-24 hours per set of batteries) Light up Hoodie Controller comes with 3 Modes - On/Off, Fast Blinking, and Slow Blinking. Light Up Controller rests comfortably in the left pocket. 72 Day No-hassle Warranty on your Light Up Hoodie!