Operation has been confirmed. While there may be minor scratches from use, they are not particularly noticeable, and the item appears to be in good condition. Everything in the photos is included. There is no box or instruction manual. How about connecting it to your Fire TV or other devices? LG PH450UG Ultra Short Throw Battery-Powered LED Projector (Lifespan: Approximately 30,000 hours/HD/450lm/1.1kg) Resolution: 1280x720 Brightness: 450lm Contrast Ratio: 100,000:1 Screen Size (Required Distance): 40-80 inches (7cm-33cm) Speaker: 1W + 1W (Stereo) "Ultra-short throw + built-in battery" changes the way you enjoy video. Cable-free and battery-powered for easy portability. Ultra-short throw of 33cm from the projection surface for an 80-inch screen The "ultra-short throw + built-in battery" LED projector changes the way you enjoy video. High performance, yet compact Compact size: 85mm high, 132mm wide, 200mm deep. Weighs 1.1kg, making it easy to carry. Supports playback of files stored on a USB memory stick Supports simple playback of videos and music stored on USB storage, as well as various document files such as Office and PDF. Wireless connection with mobile devices With Screen Share functions such as Miracast and WiDi, you can enjoy content from mobile devices and PCs without cables. Employs a long-life LED lamp The LED light provides vivid colors with a natural impression, and its long lifespan reduces the cost and effort of lamp replacement. Large 80-inch screen anytime, anywhere Built-in battery allows for up to 2.5 hours of playback without a power outlet. Features: Short throw Type: Portable