Sunny Hill Spotlit LED Flashing Safety Night Light Dog Buckle Tag Clip Collar Bell Circular Blinker Luminous Pendant Plus Bookmark -Weather resistant.Push button switch. -Bright light can be seen from far away. -Easily replaceable batteries included. -LED light glows and flashes in darkness. -Glow mode: 30 hours.-Flash mode: 35 hours. -Secure stainless steel spring clip easily clips to the D-ring on your dog's collar. Price included: Circular Pendant & Bookmark. If not, you can issue the seller a complaint.