<b>3 LED Glowing Modes</b><br> First press is quick flash<br> Second press is slow flash<br> Third press is steady glow<br> Forth press is turn off<br><br> <b>Specifications</b><br>Collar Width: 1inch<br> Collar Length ( can be adjusted by pulling the LED fibers through the adjustable buckle):<br> X-Small: 8.5 - 11.8 inch<br> Small: 15 - 18.9 inch <br> Medium: 18.1 - 22 inch<br> Large: 21.2 - 26 inch<br> Color: Green& Red<br><br> <b>USB Rechargeable</b><br> Charge time: 2 hours<br> Usage time:<br> 6-8 hours for quick flash<br> 8-10 hours for slow flash<br> 2-3 hours for steady glow<br><br> <b>Package Including</b><br> 1×Illumifun Led Dog Collar<br> 1×Micro USB cable<br><br> <b>Warranty</b><br> Illumifun is committed to 100% Satisfaction and 60 Days Guarantee for our customers.<br> So any problems, please feel free to contact us! Our Friendly Service - 24 hours email customer service response.<br><br><b>WARNING:</b><br>CHOKING HAZARD SMALL PARTS. NOT FOR CHILDREN UNDER 3 YEARS.<br>CHARING WITH 5V USB ADAPTER ONLY.<br> DO NOT USE FAST CHARGER ADAPTER, IT MAY CAUSE SERIOUS DAMAGES.