Nothing Dog just lays there. Not even a twitch.
It does not work I tried it on my dogs it didn't work
Not the best! Worked for a little while then started staying on and now no sound at all.
I I didn't think it would work but oh my god it really does work my dog listens actually
It doesnt wanna install!!!! It just says ERROR on installing this app
Helped my dogs from barking at every little noise.
An incredible different dog whistles to provoke a new behavior in your dog! Free