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.
Adjustable stretch collar to fit different sizes.
Trigger accurately by bark vibration (can not activate by other dogs barking).
Red light working indicator.
ON / OFF buttons. High / Low volume buttons.
Powered by 2 L1131 cell batteries (not included).
For most dogs, it needs 7 to 14 days to take effect; for few dogs, it needs 4 to 6 weeks to take effect; for very few dogs, it needs longer time to take effect
Package included
2 X bark stop collars
2 X user manual

• Brand new high-quality Electroinc Anti-Bark Dog Training Shock Collar
• Ultrasonic: works by sending out an ultrasonic signal that only dogs can hear when activated by the barking.
• ON / OFF buttons. High / Low volume buttons.
• Trigger accurately by bark vibration (can not activate by other dogs barking).
• The ultrasonic sound is 100% harmless.

Brand new high-quality Electroinc Anti-Bark Dog Training Shock CollarPet Heaven