Garmin Delta Sport XC System Bundle Handheld w/Tri-Tronics, LCD Display Rechargeable Li-Ion; Collar Changeable Contact Points for Up to 3 Dogs .75 Mile Range The Delta Sport XC trainer from Garmin, with proven Tri-Tronics technology, gives dog trainers more control with more simplicity. The easy-to-use, 3-button handheld controller with improved false-correction control, easy-to-read LCD display and compact dog device with changeable contact points (long and short) gives you 36 professional levels of continuous and momentary stimulation plus tone and vibration, 5 correction configurations and the ability to set the device to train 1, 2 or 3 dogs from up to 3/4 mile away. Sport XC features a fully adjustable BarkLimiter with Advanced Bark Correction for more effective training in the field and a quieter kennel at home.