We have 2 young male STD Poodles in the house 1 neutered and 1 about to be Tensions we’re starting to build especially for my attention and barking was on the increase I have used other plug ins before with limited results but after reading about this product and trying a sample recieved with my dog magazine I decided to give it a go As I stated wish I’d found this sooner noticeable results within 48 hrs the whole house is calm boisterous behaviour decreases barking at a manageable level 2 chilled out boys 1 VERY Happy owner STD Poodles are a joy but 2 Content and Chilled you young guys are an even bigger pleasure Thank to Pet Remedy