Keep pesky barking to a minimum with the digital DT Systems Ultra Min-E 2090 No-Bark Trainer with a microprocessor. Features of the tiny No Bark Collar for Dogs include eight different intensity levels so you can set just the right amount of stimulation to correct your dog. Additional features include a vibration sensor that only picks up vocal cord vibrations, eliminating shock from tags or outside noises. A data memory system on the DT Systems Collar saves the last-used intensity setting and has an automatic three-second safety delay. The No Bark Collar for Dogs is waterproof and has a replaceable 6V battery and a built-in magnetic on/off system. The DT Systems Ultra Min-E 2090 No-Bark Trainer is very easy to put on and remove, and gives you a safe and effective way to train your dog.