LESYPET LED Dog Collar Rechargeable - USB Rechargeable Safety LED Pet Collar with Waterproof Flashing Light Let your baby bright and safe in the night Blue Nylon, Fitting and comfortable collar Three modes: 1.Steady On 2.fast flash 3.normal. You get 60 hours of steady light or over 114 hours of flashing light Dustproof, easy to clean, Replaceable battery(include)