Nite Ize Nite Dawg Led Dog Collar Red Large Fits 18"-27" For All Of You Dog owners To Keep Track Of Your Favorite Buddy Day And Night, The High-Visibility Nite Dawg Large Led Collar features a Bright Red Led That illuminates Fully Around Your dog's Neck And Also Has Passive Reflectivity striping For Optimum Visibility Up To 1000 ft. With a Press Of a Button, The Collar Can Be Set To Glow Or Flash modes. Made Of High Quality Nylon, This Lightweight, Durable Collar Is Also highly Water Resistant For The Water-Bowl-splashers And The dogs Who Just Can't Resist jumping In Every Body Of Water They See. If Those features Weren't Enough, This Collar Has Easily replaceable Batteries That Can Run For Up To 100 hours at a Time. Large Collar Fits 18"-27". Manufacturer: Nite Ize Manufacturer Number: NND2L-10-R3 Upc: 094664037496