These lightweight and compact LED chips have minimal affect on the flight pattern of your discs. The LED chip is recommended to be attached to a disc with clear packing tape (not included), so that the attachment is water-sealed. 3 different light settings: slow flash, fast flash & steady-on. Can be turned on & off using a switch that is located on the underside of the chip, on opposite side of the battery. Battery life 24+ hrs. Battery (CR2016) comes included with each LED chip and is non-replaceable. 
 
PLEASE NOTE: Each package includes 2 LED chips with the same color. Price per 2 chips.