The Lumens PS752 HD Desktop Document Camera has 20x zoom capability and a professional image sensor to deliver vivid colors at Full HD 1080p output resolution with 30 fps. The PS752 supports HDMI input/output and it is compatible with several high definition audio/video equipment. The internal memory stores up to 240 images and is expandable with a USB flash drive (up to 4TB). With a one-touch audio/video recording function presentations are recorded without the need for a PC. A built-in backlight design achieves the multi-image display requirements. The dual adjustable side lamp design prevents reflections. Single-button auto-tune provides the perfect image quality every time. The unique projector mode is for connecting an LCD or DLP projector to reduce the interference caused by different types of projector technology, allowing the best image quality to be delivered.PS752 Features: Full HD 1080p output resolution with 30fps VGA, HDMI input and output and supports HDMI pass-through 20 times variable zoom ratio Built-in microphone One-Touch synchronous audio-video recording Compatible with USB flash drives, expandable to 4TB Dual gooseneck side lamps for anti-reflection Full-sized built-in LED backlight design for X-rays, film, and slides Folds down to a height of six inches (15 cm) Rigid lens provides protection from abnormal operation Excellent Image QualityThe professional image sensor features low noise, high resolution, and vivid color reproduces on and presents an excellent image quality even under insufficient light conditions.Video/Audio Recording and Extra StorageWith the built-in microphone, and USB flash drive (up to 4TB), record and store video and audio synchronously without a PC.Annotation without PCLumens TM has developed a PC-free solution, using a USB wired or wireless mouse to enable the image to be directly edited.Supports HDMI Pass-throughThe PS752 is equipped with HDMI input and output. The HDMI input allows you to connect an input device like a notebook or iPad, while the HDMI output can be used to connect to a projector.Anti-ReflectionWith the dual gooseneck side lamp design, the direction of the light source can be adjusted according to the environment to prevent reflections.Smooth Dynamic ImageWith 30 fps capture every tiny movement during playback without delays.Instant Image AdjustmentAn auto-tune button adjusts the clarity, brightness, and color according to the actual environment automatically. A new image process technology increases its function so the image adjustment becomes more efficient.Built-in LED BacklightWith the largest size of the built-in LED backlight in this industry, users no longer need to constantly adjust the position of X-rays, photos, negatives, and slides during a presentation.