Make sure your 4-legged friend is easy to see when you go for your nighttime walks with the Nite Ize NiteDog Rechargeable LED Dog Collar. This Nite Ize dog collar uses 2 super-bright LEDs that send light through built-in optical fibers to illuminate the entire collar at the push of a button. With both a glow and flash mode, this collar provides 360 visibility, while the water-resistant construction ensures it stands up to inclement weather. Metal buckle closure and a strong D-ring for leash attachment. The Nite Ize NiteDog Rechargeable LED Dog Collar runs about 6.5 hours and recharges in around 1.25 hours with a micro-USB cable (not included). Uses 2 bright LEDs and integrated fiber optic cables Provides 360 visibility Push-button operation Glow and flash modes Water-resistant design Durable metal buckle Sturdy D-ring