With the Delta SE Bundle handheld and dog collar, you and your canine companion have everything you need to sit, stay and play. The handheld has three small ergonomic buttons; a slide switch allows you to train two dogs at once; three ways to train- stimulation, tone and vibration; to stay connected with your dog at up to a half-mile range and a tactile dial for adjustments. The bundle contains Delta SE handheld, Delta SE dog collar, black 0.75″ wide collar strap, charging clip (for dog collar), USB-C cable, short and long contact points with wrench, lanyard and documentation.