Aetertek Professional Dog Pet Shock Collar Electric Remote Training Trainer Auto Anti Bark Behavior Aid Correction 1000M Range 3 types correctional methods: beep, vibrate and shock.Respond quickly, and can keep working until you release the function button. It is easy for user to build up a series training command through combined three corrections and duration time. Aetertek professional dog training system for large,stubborn or serious dogs,1KM long remote range control. You can train your dog's barking without the remote when you turn on the auto anti bark feature. LCD display to show the correction levels , dog mode/channel,battery ,signal and anti bark setting. Excellent on pre-sale and after-sale service, one year unconditional quality warranty. All of our effort are for pets and our users.