?Pet collar is very useful for walking and exercising pets and go a long way to showing you are a responsible pet owner. It is important for all pets to have a correctly fitting and comfortable collar. Would you like to consider this S-Size LED Light Flat Collar for Pet Dog? This collar will match your pet well for it is custom made for your pet. And the flash LED light design makes you easily and clearly see your pet in the dark. Meanwhile， the collar is adjustable so that it is easy and comfortable for your pet to wear it.                                    Features                It is comfortable to wear and you won&acute;t worry about it will hurt your beloved dog<br>    Adjustable pet collar， easy and convenient to use<br>    Highly reflective with sequential LED lighting<br>    Flash modes: manual control (fast / slow， sustained lighting)<br>    Continuous lighting up to 60-70 hours<br>    Radiation pattern: long light-flash-slow flash<br>                                                            Specifications                        Dimensions     36-38cm / 2.5cm (L*W)    <br>          Material     LED / Nylon    <br>          Color     Green    <br>          Weight     71g / 2.5oz    <br>                                                             Package Includes                1 x S-Size LED Light Flat Collar<br>                                                            Extra Info            How to change the battery: