Dazzling Led LightsUpgraded dog leash retractable features with 12 colors dazzling light effects, press to switch between Gradual Luminance Modes and different LED ambient light to make walking dog at night more interesting. Bulit in a spotlight with 10m higher brightness, safe to light up a dark road, help the dog navigate his way and easily clean up dog poop. Retractable Dog Leash 2.0--RechargeableFree TYPE-C cable included. Built in rechargeable lithium battery and Type C charging interface. Our dog leash for small dogs is great that no batteries need to be replaced. Especially the new cable standard means that you can easily find the replacement in your home if lost. Environmental friendly and durable dog leashes for medium dogs, which has low ongoing running costs. One-Hand Brake & Lock + Led ControlQuick and reliable One-button brake, pause and lock safety system, our 2.0 long dog leash changes go further than that. Unlike others who require another hand to adjust LED lighting, we allows dog owners use one hand to freely adjust both safety system and Led lights, which is convenient,user-friendly that make walking your dog a more safer and enjoyable experience. More Intimate Design Ergonomic Handle: silicone inside the handle for extra grip. 360Tangle Freerope runs from all angle, worry-free about dogs running around. Safe Locking Buckle: waterproof and anti-rust Zinc Alloy lockable snap, rotating prevent accidental release. 16ft Heavy Duty Leash: Strong Nylon Tape, sturdy and durable making it perfect for dogs up to 88lbs.Hanging Buckle: a buckle at the handle to hang the poop bags, dog snacks, house keys and so on. Easy to UseLED LightLong press the light button to turn on/off the spotlightPress the light button 1st to activate 12 colors of slow flashing2nd to keep the color you want; 3rd appears fast flashing; 4th to turn off the LED lights. Blake & Lock ButtonPress down to pause; Press and push forward to lock; Push back to unlock. Any questions about this retractable leash, pls reach us, and we will glad to help you.