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.Function: Dog TrainerBattery: Rechargeable Lithium IonProofs: Water ResistantColor: BlackCompatible With: Up to 3 Dogs