The Dog Shock Collar is an effective way to train your dog. With three safe modes (Beep, Vibrate, and Shock), you can customize the stimulation level to fit your needs. The collar comes with a security keypad lock that prevents accidental pushes. The up to 1600 ft range allows you to train your dog easily indoors or outdoors. The waterproof receiver and comfortable collar make this collar perfect for use at home or on the go.