POWERFUL LED LIGHTS: The 12 bright LEDs ensure your dog is visible for up to 1640ft. depending on the lighting conditions. Light up collars can help keep your pet safe and visible even in darkness FULLY USB RECHARGEABLE: The battery is USB rechargeable. For the 0.5-hour charge, it gives 3 hours of illumination. ONE SIZE FITS ALL: To fit your precious pooch, you can cut this glowing dog collar to the length of your pet with scissors. The default length is 27.5 Inches 3 LIGHTING MODES: The push button is easy to operate with three light setting- slow and quick flash along with steady glow WATER-RESISTANT: In the rain also your pet can wear this collar comfortably as it is water resistant, but it is not recommended for swimming or full submersion