<p>The creative glowing dog/cat collar is using optical fiber tube, no heat produced after long time light up. Safer and more comfortable for your dog/cat to wear. As the adcanced optical fiber of low light, no flicker or irritation to dog/cat's eyes, no affect to dog/cat's visual sight. Waterproof design can withstand outdoor weather.</p><p>Powered by USB charging, can be powered by powerbank or connecting any adapter.</p><p>The glowing dog/cat collar allows your dog can be seen by people in dark place, ensuring the safety, especially when the dog doing its night walking.</p>