dogtra 280c basic electronic training dog collar with remote for dogs 10+ pounds dogtra advanced simplicity is what we strived for with the dogtra 280c e-collar, offering all the key essentials for dog training in an ultra-compact unit without sacrificing the benefits of a remote training tool. this is the perfect remote training tool for basic obedience or field training where you need a reduced size receiver/collar for a smaller dog. it is designed for dogs as small as 10 pounds. the 280c e-collar is packaged with the smallest ultra-compact receiver from dogtra that offers low-mid stimulation from 0-127 levels at your fingertips. the 0-127 stimulation level is controlled by a rheostat dial, a patented technology from dogtra to ensure a precise setting for every dog. the 280c is also available in the 2-dog system, 282c, to train two dogs at once.