WwWSuppliers Camouflage LED Light Dog Puppy Night Safety Flashing Adjustable Nylon Waterproof Camo Collar 100% Brand New Made of Strong Nylon with Camouflage Print Green LED Has 4 modes: On/OFF/Slow Blinking/Fast Blinking Batteries Included Medium Adjusts- 15 1/2" to 19" Width: 1"