• Train your dog to stop barking
• Ultrasonic and audible mode selections
• Audible: creats harsh buzz to stop barking
• High and low modes ( high for big dogs, low for small dogs)
• Dogs quickly learn that their barking causes this irritating sound and stop barking to stop the noise.
• Ultrasonic: works by sending out an ultrasonic signal that only dogs can hear when activated by the barking.
• The ultrasonic sound is 100% harmless
• LED indicator on the front : The red LED indicator will light when the unitis activated
• This will help in making sure the unit is working even in ultrasonic mode
• Adjustable stretch collar to fit different sizes
• Trigger accurately by bark vibration (can not activate by other dogs barking)

100% NEW .
Adjustable Stretch Collar (Up To 35cm)
Waterproof construction
UltraSonic and Audible Selections
On/Off Button
Triggers Accurately by Bark Vibration (Can&&9;t activate by other dogs barking)
Package :
1 x Ultrasonic Dog Anti Bark Collar Bark Stop Reduce Barking
2 x AG10 battery
1 x English Manual

Note:Not guaranteed to work on all dogs, depends on every dog's sensibility to ultrasonic sound.