You can adjust the length of the light up Racinel Comfort Keep moving LED dog collar by cutting it with scissors. You can do the loading with an USB cable, so it is possible to do directly from the computer, for example. No more constant battery changes. You can adjust the light from steady to blinking from the same button. It is not recommended that the collars is used like a normal collar and the leash for securing the leash. Visible up to 500 metres. The package contains a collar, a USB cable and instructions. The product has a CE marking.