1. Safety Dog Collar - Super bright for night walking, Beejay dog collar lights makes your dog high visible and keep glow in the dark. No more worries about the dog safety. 2. Usb Rechargeable, Energy Saving - Beejay dog collar comes with USB cable which can be recharged with any USB device, No Need Batteries.Charging warning, please use 5v usb adaptor only, fast charger adaptor may cause serious damage. 3. Lightweight & Breathable For Your Dogs Wear - This pet collar is made of heavy duty nylon webbing material which makes your dog feel more comfortable, also comes with metal D-ring for dog leash attachment. 4. Dual LED fiber for Improving Visiblity: Super bright light ensures that the safe visible distance at night exceeds 300 m. Walk on the snow-covered road, at dusk, at night, in the forest, or on the driveway to protect your dog from accidents or loss.