KEEP YOUR PET SAFE: This LED dog collar will make vehicles will see your dog well in advance in dark, efficiently prevent your dog from unexpected danger during night walking. LONG-LIFE BETTERY&USB RECHARGEABLE:This collar is equipped with 150 mA capacity battery, has a run time of up to 6 hours and fully recharges in 1 hour using a micro USB cable. ADJUSTABLE SIZE&WEATHER RESISTANT :This Pet led collar can be cut to fit dog"s necks small to large from 12" to 22".And Its waterproof and dust resistant, perform well under all bad weather condition. 7 COLORS&SUPER BRIGHT: This LED Dog collar shows 7 different colors changes, and 3 light up mode,Fast flashing, slow flashing, glow steady. Visible approx up to 500 meters(547 Yards) in darkness. SATISFACTION GUARANTEE:You will get a LED dog collar,Worry-free 12-month warranty and lifetime customer service.