[NEWEST Generation] EverTrust(TM) Harmless Dog Training Collars Electronic No Bark Tone & Vibration Training Collar No Shock No Harm Adjustable Sensitivity Anti-bark Trainer with Anti-lost Dog ID Tag Do not like the annoying barking, but unwilling to let your lovely dog receiving an electric shock punishment, the EverTrust Newest Generation Bark Collar is the best choice! [Harmless] The newest generation bark collar sends harmless warning vibration to the dog whenever it barks, no static shock, no pain, absolutely no harm to your dog. [Effective] The anti-bark collar is repeated through 7 correction levels. The first two levels are only with progressively warning tone. If the dog continues to bark through the rest five levels, the more intense sound and vibration are applies after each bark until your pet stops for thirty seconds. [Adjustable]The collar can be adjusted to control the sensitivity of the voice, according to the size of dog's barking through the visible "+" and "-" buttons. [Gift]Package contains a cute paw shape ID tag gift - write any owner information on the tag to make sure your dog can always find a way home