Sometimes the best adventures continue until dark. The MOLLE LED light is a must-have for every dog owner; it 's a red light with a long-lasting battery that makes your dog visible to oncoming traffic or people. The best part? It can attach to any 1" webbing, not just a leash. It 's removable, so feel free to swap it onto any 1" leash, collar, harness, or pack before you head out. Attaches to any 1" webbing Durable weather resistant Push button on/off Three modes: continual glow and 2 strobe modes Battery run time: 100 hours Replaceable CR2032 3V lithium battery To replace the battery: Detach light from webbing. Turn over so light side is facing down. Using a flat head screwdriver, gently pry the cover away from the grey housing. Cover should easily pop off. Replace battery and then press cover back into place.