okokNote: This leash has only 2 flash modes: Steady on and Flash and The flash mode quatitys is wrong on our package box .please see our description. Features 2 flash modes:- Steady on - Fast flashEasily switched via pressing the button on the batteries module w/ batteries included Material:Nylon, Stainless Metal, fabric Length: 47inch/120cm Battery: 2pcs 3V CR2025 button batteries (pre-installed) LED flashing safety dog leash make for the perfect dog accessories. It offers higher visibility at night when the LED lights lit, should be on top of your pet safety list.After LED lightd activated, the leash can flash or stay on in darkness, enhance the visibility during night walk, can alert drivers and other walkers well, makes walking at night much more safer6 jewelry shaped LEDs distribute onto the though nylon webbing, looks fabulous pretty and stylish, is a fine decor to your petsPackage:1 LED Light-Up Dog Leash Tips *Please make sure to measure your dog for accurate sizing before purchasing to ensure the perfect fit.*If your dog is between sizes, Please choose a large sizes.*It¡¯s not waterproof, DO NOT FULLY SUBMERGE IN WATER. But it¡¯s washable£¬just make sure remove the battery first.*Due to light, display resolution or other reasons, there may be color difference between pictures displayed and the physical object, please refer to the physical object then.