"It's a Ten", "Fruit Punch","Kaleidoscope" and "Star Burst". All of our LED hoops come with a one year electrical warranty and 30 day money back guaranty. Just send it back and we will repair or replace the hoop and return it to you good as new. Simple snap on snap off operation with no surface switches. (See demo below) Each hoop includes a 3.6v lithium rechargeable battery and battery charger and a 1/2" strip of gaffer's grip tape on the inside of your hoop. All our LED Hoops use either the rechargeable or two AA batteries. Check out our video demo's on the details page. At 36" overall diameter and counterbalanced to provide smooth rotation and easier hooping.