Amzdeal&reg; 100 Yard Rechargeable LCD Remote Pet Bark Training Collar Receiver batteries rechargeable(charger not included.) and receiver waterproof. (Batteries of the collar are unrechargeable) 100 yards remote control electric shock devices with 4 modes: static shock/ vibration/ beep/ light Convenience of easy-to-read LCD screen shows the stimulation level. Over 3000 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. Featured power saving design with automatic standby and memory function.