Length allows for more flexibility when framing subjects through the digital screen on my nikon, instead of the viewfinder. Easily connects via wi-fi to devices to download images. Zoom is amazing.

The connector strap that broke is the one that fits through the 1/3-inch metal bracket on the camera that is made for such contraptions. This flimsy one is less than 1/8th inch wide, and the thickness isn't even 1/4 that of a standard tennis shoe lace...  Read More

They're easy to attach to the leash and easy to cinch up on your wrist. They allow you to use both hands -- when fumbling for keys or using a flashlight while picking up dog poop. Plus this includes 3 - different colors.