nylon led dog collars night safety flashing glow in the dark leash dogs luminous fluorescent collar pet supplies j065

battery:2pcs cr2032 button battery -driven (60-80 hours, normal 2-3 months ; battery can be replaceable , convenience stores or supermarkets are available .) easy to use: by ce, rohs, en471 waterproof; the product is suitable for dark environment or walk the dog at night , outdoor and pet movement through the bright fiber optic light, it can be warning , also it is fashionable and individuality. the fashion designed collars, can be used both in day or night which you turn on and off a light to control them.