MICROPROCESSOR CONTROLLED BARK DETECTION a break through technology were implemented in the No Bark collar featuring the Intelligent Chip The collar has 5 levels of adjustable sensitivity and 3 training modes beep vibration and gentle safe shock no shock mode is an option as well effectively stopping the barking with no harm to the dogs of all types PARTICULAR TRIGGERING SENSOR FOR NO MORE FALSE TRIGGERING The triggering sensor equipped in this intelligent bark collar will detect and filter then activates Only when your dog barks 1000 to 2000kHZ and 80 to 90db No more other nearby dogs barking shaking head or other sounds and will activate the collar. TWO TRAINING MODES 5 SENSITIVITY LEVEL ADJUSTABLE bark collar has 2 training Modes include Beep Vibration Harmless Static Shock default setting mode and Beep Vibration No shock Mode and 1 to 5 adjustable sensitivity level adjustable Stop barking with no harm for dogs Select the most suitable mode and level freely as your needs. INTELLIGENT PROTECTION MODE As a warning signal The first bark will not trigger the shock mode If the second bark occurs IN 30 seconds it will trigger the shock mode and so on for all next barks occurs in the 30s If the next bark occurs AFTER 30 seconds it will turn back as the first bark mode Please refer to the picture 5 For security and safety of your pet It will deactivate the collar if activated 7 times in 1 minute and resumes its functionality after 2 minutes. WATERPROOF and RECHARGEABLE No bark collar IP67 waterproof material allows the use of the collar indoors and outdoors in any weather conditions Built in USB rechargeable 480mAh battery Full charge in 1 to 2 Hours for about 12 days of regular use. (69)