Intelligent Automatic Bark Stopper: The anti-bark collar is programmed with intelligent bark control mechanisms including a smart bark recognition chip, double trigger identification system, accurate trigger control detection, smart trigger sensor, the dog bark collar is only triggered by your dog’s barking. The device won't be trigged by any other dogs' barks or by any non-barking noises such as headshaking or dog's breathing sound.
 
Automatic Barking Control with No Remote: The dog bark collar has 4 working modes, no shock mode: beep, vibration, beep+vibration; Shock mode: beep+vibration+shock. Simply push the M button to set it up and ready to go. Collar is programmed with 30-60 seconds safety lock between each correction cycle( see manual for details). 
 
3 correctional signals beep, vibration, and shock.  It has smart training loop programmed to have the best performance of barking control. This also makes sure the device would not cause overcorrection. 
 
Bark collar equipped with long lasting rechargeable battery with 12 days battery life. Included magnetic charger for fast charging.
 
Contact points with ultimate comfort and protection from discomfort or injury to the neck area wit two silicone caps included.
 
Product Specification:
Collar receiver dimensions: L*W*H:2.8"x1.3"x1.0"/7.5cm*3.5cm*2.5cm.
Weight with collar strap: approx. 3.2OZ/90 grams.
Collar neck size: fits 8"- 25"/20cm-64cm.
For healthy dogs over 6 months old, from 10 lbs to 110 LBS.