Led dog collar light. multicolor solid light function or flashing light. Great for evening walks for visibility. Easy snap on hook. Brand New. Weather resistant. Secure stainless steel spring clip easily clips to the D-ring on your dog's collar. Push button switch. Glow and flash modes. Battery runs time: Glow mode: 30 hours Flash mode: 35 hours Size:3.5*5.5*2.5cm Battery Mode: CR2032 Package Includes 1 x Pet Dog Cat Puppy LED Safety Night Light Pendant