HUSTON LOWELL Onepalace LED Reflective Dog Safety Collar - Solar Power USB Rechargeable - Lithium Battery - Super Bright LED's Glow & Flash - Improved Dog Visibility & Safety & Fun SAFETY FIRST - modern LED lights GLOW & FLASH brightly making your dog highly visible, designed to improve the safety of your dog at dusk & at night ECONOMICAL- it recharges quickly via USB cable by connecting to devices like Tablets, Laptops, PC's, Smart TV's, Games Consoles & Phone Chargers.No more wasting money on batteries - more eco-friendly & saves money HIGH QUALITY & NEW DESIGN- adjustable length, easy to put on & use, comply for your dog, 3 mode selection (Steady glow, rapid flash, slow flash), with a quick-release buckle, a protected USB charging port WEATHERPROOF - water-repellent, good for all weather conditions, it is lightweight, strong, durable HUSTON LOWELL? this collar is the best gift for your pet, if you have any question, please feel free to contact us