Durable & Retractable】: Retractable nylon tape extends up to 16.4FT, suitable for medium and large dog under 110lbs. Strong nylon tape, durable rustproof swivel hook and scratch-free material housing. Top…

light patterns: Combination, In Waves, Sequential, Slo-glo, Chasing/Flash, Slow Fade, Twinkle/Flash, and Steady On. You can enjoy these modes in turns, or just choose your favorite mode. ❷ Connectable Design:…