This led ring dog collar is equipped with bright, energy efficient led lights that provide 360 degree illumination. The collar is lightweight and adjustable from 30 65cm cut to size. Featuring three light settings in blue fast flashing, flashing and constant light. Cycle through the on off button to select the modes. Fully charged within 2 hours or less and can be used for approximately 6 to 8 hours with flashing light and 2 to 3 hours with continuous light. keep your best friend visible in low light. ·     splashproof approximately up to 500m visibility·     adjustable from 30 65 cm cut to size·     three light settings in blue fast flashing, flashing and constant light·     usb rechargeable cable included·     easily clips around your dog's neck·     materials 80% tpu, 15% abs, 5% electronic component