Visible in The Dark - Beautiful and super bright light up dog collars, buy this dog light up collars and make sure your dog is always visible to cyclists, passers-by, drivers, and other traffic participants, greatly improves the safety of dogs when playing at night, preventing them from getting lost and avoiding vehicles. Cut to Fit Any Size - The dog led light collar is 27.6 inches (70 cm) long. Our dog collars can easily be cut to size to fit any dog, large or small. You won't waste any more time or money buying the incorrect size. But please leave an extra 3-4cm when cutting to avoid uncomfortable wear. 3 Light Settings - The flashing dog collar light has three light modes, you can change the light mode between fast flash, slow flash or steady at the push of a button. Durable & Tough - The led dog collar's light guide tube is durable and waterproof, Works well in everyday rain. Please note that the rechargeable dog collar is only waterproof and is not suitable for swimming or immersion. USB Rechargeable - This LED dog collar has smart USB charging technology and a lithium ion battery with a full charge time of 1 h. The LED dog collar is waterproof and can withstand all weather conditions!