Camera (thumb size only) is the smallest portable hidden camera on the market. With 1080P resolution, it captures sharper images and highter visibility than other mini camers. It's great for installations where users don't realize the security of homes, offices stores andd warehouse etc, so you could be safe and don't miss anything. Easy to Use: Download the free app, then follow the user manual to connect the camera and set it up step by step. The smartphone can easily access the camera via the app, please refer to the user manual for details.