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.Rainbow color&SUPER BRIGHT:This Rainbow glow collar is ONLY flashing 7 colors simultaneously or alternately ,without glowing steadily mode. Visible approx up to 500 meters(547 Yards) in darkness.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.SATISFACTION GUARANTEE:You will get a LED dog collar,Worry-free 12-month warranty and lifetime customer service.