The Hanukkah wristband features a long-lasting LED flashing Menorah toy in a colorful design and has a built-in battery, no additional batteries are needed, so you can just operate the switch directly. The LED sensor is turned on with a simple on/off switch located on the side of the wristband. This simple wearable technology allows venues of all sizes to take their visual experience to the next level. Made to fit girls, women, men, adults, and kids of all ages and makes an excellent souvenir for after your event or as traditional gift for Birthday, Hanukka, Hebrew school events, Jewish festival and parties or for any special occasion. Nothing beats an awesome display of flashing lights from one’s wrist!