AGPTEK Rechargable LCD Remote Control Dog Training Shock Collar with 100 Level Shock and Vibration Provides a professional 100 level shock and 100 level Vibration with Rechargeable LCD digital remote control electric training Collar 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. The Collar length can be adjustable from 12 inches to 22 inches With LCD backlit, you can use this dog train dog training collar at night