Yosoo LED Glow Flash Dog Walking Belt Harness Leash Tether Pet Light-up Safety Collar for Large and Medium-Size Dog Easy and comfortable to wear and remove. Easy to use: simply pushing the control button makes the light ON/FLASH/OFF. Helps to keep you and your dog & other pets safe during walking. It can last 60 hours in the still-on model while 70 houes in the flash model. Also work as a decoration: let your dog more attractive.