The collar is such good quality and easy to use. I love that it is rechargeable instead of taking watch batteries. The light is bright and has 2 blink settings and 1 continuous light setting. The collar is adjustable and will fit many sizes.
Even when daylight, the collar reflects and I love knowing my dog can be seen at night!
The only thing I don't like is that only 1/2 the collar lights up. The D ring for the leash is right in the middle of the illuminated area so the light is on the back of the neck and isn't as visible from the front as from the side. Perhabs a thought for a new design.