Security! Competition crushing visibility of 350 yards. Be seen by traffic, saving you or your pet's life. Charge From Any Device! Runs over 7 hours. Save money and skip the hassle of those expensive weird batteries. Top Technology! Slimmest on/off box and padded handle to avoid burns. 2 steel swivels eliminate those wound-up tangles. Looks Great! 3 modes (on, strobe, blink). 1” wide. Assorted colors. Also available our Blazin' Collar combo set. Illuminate and protect your pup, and have him look good too.