Fund 300m Remote Dog Training Collar Rechargeable Waterproof Anti Barking Collar with Beep,Vibration & Screen Shock Vibration Beep Led Light Bark Control Collar for 1 Dog Rechargeable and waterproof receiver, both transmitter and receiver can be charged simultaneously Long Remote Working range:Works up to 300 meters Up / Down button allows 0 to 100 levels of gradual adjustment in stimulation intensity The necklace is a combination of micro static discharge, vibration, beep and LED light, Practical, ultra lightweight digital LCD remote signals to your dog to listen to their commands Safe, humane, robust and highly efficient for the education of your pet. (puppy or large dog, stubborn dog)