Kitchen Acrylics The Original Patented Kitchen iPad Rack/Holder for all iPads, Tablet PC's and cookbooks too (SuperClear Acrylic) HUMANE, HARMLESS:100% safe, humane and professional way to train your dog to stop barking INTELLIGENT, UPGRADE: FOR DOGS OF ANY SIZE - uses high-frequency sound that works to reduce excessive bark of dogs within hearing range; for dogs 6 months and older UP TO 25 FOOT RANGE PROTECTION,EFFECTIVE:Designed for easy hanging or mounting on a tree,wall or fence post to keep your own dog or your neighbors dog from barking ECONOMICS,AFFORDABLE:Contain sensitive microphone isolates and picks up barking up to 50 feet away to stop barking both outdoors and indoors (recommended starting mode for indoors is level 1, increase if needed). NOTE: Does not work on deaf or hearing impaired dogs. LATEST UPGRADES:With a green and sustainable charging method, you can work continuously for one month or more in one hour of charging.