GooDGo Rechargeable Wireless LCD Digital Dog Smart Electric Training Shock Collar & Transmitter with 100LV of Shock and Vibration, Remote Control Dog Pet System Rechargeable LCD digital remote control electric training collar remote control electric shock devices Convenience of easy-to-read LCD screen shows the stimulation level. Over 3,000 different identity codes to prevent conflicts with other e-collars Provides a professional 100 level shock and 100 level Vibration with Rechargeable LCD digital remote control electric training Collar Built-in Lithium battery, Rechargeable and Waterproof This product is for pet training only , by training,the pet can understand the intention of its owner