BSEEN LED DOG COLLAR KEEP YOUR DOGS BE SEEN& SAFE: wearing this reflective dog collar, vehicles can see your dogs well in advance even in the dusk time, to avoid some potential dangers when camping, night dog walking, ect. It's a necessary of dog camping gear. LIGHT UP DOG COLLARS WITH USB RECHARGEABLE LIGHT ：this dog collar light charges 2 hours, can last about 10 hours for steady glow, and about 13 hours for flashing modes, which is about 3-5 times than other brand collars. A charge that will last multiple walks, no hassle to charge the collar for dogs too often. WATER-RESISTANT, CAN BE USED IN THE RAINY DAYS: this waterproof dog collar can be used in the rainy days, please don't put this dog necklace into water for a long time, and keep the battery case cover closed& dry.