Garmin Delta XC Bundle - dog training device LONG/SHORT CONTACTS-Includes long and short changeable/replaceable contact points ; Collar compatibility: 1.9 centimeter (0.75 inch) STIMULATION LEVELS - Improved stimulation levels; features 18 levels of momentary and continuous stimulation, plus tone and vibration RANGE - Gives 1/2 mile range capability to correct your dogs behavior while out in the field TRAINING CONFIGS - 3 correction/training configurations for different behavioral issues. Train 1, 2 or 3 dogs, settable on the handheld (with purchase of additional dog devices) DURABILITY - Rugged, compact 3-button handheld controller and dog device with water rating of IPX71.Water rating: yes (IPX7)