The Pet Life ® Digi-Bark LED 5-Level Sensitivity and 6-Step Automated Beep Vibration and Stimulation Anti-Bark Dog Collar features 4 Operational Modes consisting of (1) Sound (2) Vibration, with (3) Simultanious Sound and Vibration and (4) Simultanious Sound, Vibration and E-Shock. Each of these 4 Modes feature 4-6 Automated cycles that intensify and with each bark or reset after a 1-minute timeframe back to the original cycle once barking is no longer detected. The Barkomatick collar features a Next-Generation imbedded chip with improved automated bark detection technology and a Multi-colored LED display screen that displays battery-life, operating mode, sensitivity levels and indicator lights.