Trainertec Dog Barking Control Device - Help stop barking and Bring a quiet life to you!
 
Unique conch design - a good decoration for your house
Uses ultrasonic sound to deter unwanted barking
Detects the sound of barking up to 50 Feet
4 levels of operation including test mode, 3 range levels, On/Off switch
LED power indication
Unit size: L*W*H= 5.8*3.7*4.1in
Powered by a 3.7V rechargeable battery
There are 3 different range settings - 15ft, 30ft, & 50ft, of which you can choose according to the surroundings.
We recommend it to healthy dogs from 6 months to 8 years old.
You can put it on a flat surface or hang it up (A lanyard is included.). Both for indoor or outdoor use.