The Pet Life ® Ranger 1-to-2 Dog 650 Yard Range 16-Level Vibration and Sound Training Dog Collar provides approximately 650 Yards or 2,000 feet of total range and is Non-Shock or a safer alternative to E-Shock with 3 convenient buttons located on the transmitter that activates the options for Vibration, Sound with simultanious Sound and Vibration. Additionally, the transmitter features an auto-lock safety function that prevents accidental activation when carrying with a unique intensity-level knob adjuster that controls 8-Levels of sounds with 16 intensity levels of Vibration that is further showcased on the LED display screen including battery level and channel.