ITERY Dog Collar Light, LED Dog Collar Pendant Light Flashing Pet Safety Night Light Three flashing modes: glow continuously, slow blinking and fast blinking Secure environmental durable material The LED collar light features a durable stainless steel carabiner easily clips to the D-ring on your dog's collar Pet safety light: The collar light provide bright can easily help you see you dogs from far alway, keeping your dogs safe in low light situation. Easily replaceable batteries included,can replace the battery easily after running down of battery