The Garmin Delta Sport XC Dog Collar is designed to only have to use one hand to operate and has 3 front buttons for stimulation, tone and vibration with 36 levels. As well as 5 correction configurations for different behavioral issues. The side buttons allow for the trainer to switch between training configurations and the different dogs being trained. This collar allows you to train up to 3 dogs (additional dog devices sold separately) from up to 3/4 mile away. The Delta Sport XC allows you to pick 3 correction configurations best suited to train your dog in certain situations. This collar has the built-in BarkLimiter with Advanced Bark Correction, allowing you to adjust the level of the BarkLimiter, this makes for effective training. Like all Garmin outdoor products is water-resistant and long-lasting with a rechargeable lithium-ion battery. Buy yours today at Sawyer's Country Edge.