Dog Shock Collar - 4000FT Dog Training Collar with Remote Waterproof e Collar with Flashing Light, Adjustable Pitch Beep(1-8), Vibration(1-16), Safe Shock(1-99), and Keypad LockDog Training Collar with Flash LightTwo light modes of solid white light & flashing lights on receiver collar,which is super awesome for camping or night walks to keep track of the dog , just remotely turn the light on makes it easy to spot your dog,it is decently bright which makes it easy to spot your dog from a far distance even in the woods. if you dog like to take off into the woods at night,or love to hide at pee time before bed,this collar will