1)waterproof led light 2)twist on/off 3)replaceable 2*CR2032 batteries 4)battery light :60Hours 5)all color available OUR LED STRING LIGHTS IS THE MAIN PART OF PET DOG LEASH. SUPER HOT SELLING IN THE MARKET NOW! Pet dog leash collars are suitable for walking the dog at night or dark environment, outdoor and pet movement, through the ultra-bright fiber optic light, from a warning, while expression ...