Great product. I previously had a similar product from another manufacturer, but you had to physically get up and go press a button to switch between inputs. I had been thinking how great it would be to just change with a remote. I decided to purchase a Harmony remote that control several devices. I was hoping it would control the J-Tech devices also. It did. Now I can press an activity button on the Harmony remote and it will change all devices, including the J-Tech devices to the appropriate input. This is extremely practical for me. Wondering why I waited so long and regret now that I kept getting off the couch and walking clear across the room just to change inputs. The J-Tech product seems well made and works flawlessly right out of the box. Plug in outlet adapter, plug in appropriate HDMI cables, insert battery in remote and you're ready to go. And yes, battery is provided.