... CR-2032 led quantity: 6pcs/8pcs/12pcs Flashing LED collars Function:--LED Flashing will be made your dog more beautiful and ... night.--LED flash and reflection keeps your pet away from any potential accidents Led dog collar feature:webbing color -- Red,Blue,Green ... Color -- Red, white ,yellow ,green ,blue ,pink , rainbow colors Flashing Model -- Quick Flash, Slow Flash, Steady Light ,No Light Battery ...