This clip-on pet dog collar pendant LED night light is designed to keep your pet safe, visible in the darkest night. The LED collar light features a durable stainless steel carabiner clip and easily replaceable batteries. Product Feature: Weather resistant Secure stainless steel spring clip easily clips to the D-ring on your dog's collar. This product can be set to quick flash, slow flash or steady glow by pushing the button. Custom logo is available.