Petiner Electronic No Bark Control Dog Taining Collar-Adjustable Sensitivity Control,Low Sensitivity

As per customer's feedback , Advantage version's sensitivity is too high,also with other defects,So we improve Petiner advantage version to meet some clients' requirement.
The time you spend with your pet is precious, and you love having her in your life. When it comes to her behavior, you have very few complaints. Yet, there is one small issue you would like to fix her constant chatter. Lately, her barking and yapping has become the soundtrack of your life. It is'n exactly music to your ears, and you're ready to do something about it. The Bark Control Collar is an easy-to-use solution that will tune out her barking.
How it works:
Upon your dog's first bark, this anti-bark collar will emit a short warning tone. If your dog barks again within 30 seconds, a louder warning tone will sound. Then if your dog continues barking within another 30 seconds, a even louder warning tone will be issued along with a mild shock, the first and lowest level of correction. There are a total of 7 levels of correction that will be triggered by your dog's successive barks. Each successive bark will increase the correction level if the bark is within 30 seconds of the previous bark. If your dog does not bark for at least 30 seconds the collar will resets itself. As a built-in safety feature, if the correction reaches the seventh level, the collar will shut off automatically for approximately 1 minute. For level 1~2, only warning tones will be issued; for level 3~7, warning tones are issued first and static shocks will ensue. By pushing the button "sensitivity down" or "sensitivity up", you can adjust the collar's sensitivity to your dog's bark and the environment in which your dog lives. Push "sensitivity up" to increase sensitivity and push "sensitivity down" to decrease.