SportDOG Rechargeable NoBark 10R Bark Control Collar (SBC-10R) w/ (1) FREE Zanies Plush Bone Toy For dogs 8 pounds and up; neck sizes 6-28 inches 3 Training Modes; Temperament Learning Mode, Progressive Correction Mode, User-Selected Correction Mode 10 stimulation levels PerfectBark Sound & Vibration Sensors; only your dog's bark causes correction, eliminating false alarms FREE Zanies Plush Bone Toy (color may vary)