Garmin Delta Sport XC Bundle - dog training device LONG/SHORT CONTACTS-Includes long and short changeable/replaceable contact points STIMULATION LEVELS - Improved stimulation levels; features 36 levels of momentary and continuous stimulation, plus tone and vibration RANGE - Gives 3/4 mile range capability to correct your dogs behavior while out in the field. Handheld Battery life-80 hours per charge. Dog Device-Battery life- 60 hours per charge. Multi-dog compatibility- 3 TRAINING CONFIGS - 5 correction/training configurations for different behavioral issues. Collar compatibility is 0.75 inches BARKLIMITER - Built-in BarkLimiter, adjustable from the handheld, lets you train in BarkLimiter mode