The Lumens PS752 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 the 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 a LCD or DLP projector to reduce the interference caused by different types of projector technology, allowing the best image quality to be delivered. Features Full hd 1080p output resolution with 30fpsVga, hdmi input and output and supports hdmi passthrough20 times variable zoom ratioBuilt-in microphoneOne-touch synchronous audio video recordingCompatible with usb flash drives, expandable to 4tbDual gooseneck side lamps for anti-reflectionFull sized built-in led backlight design for x-rays, film, and slidesFolds down to a height of six inches (15 cm)Rigid lens provides protection from abnormal operationSpecifications Zoom: 20xDigital Zoom: 12xOutput Resolution: XGA, SXGA, WXGA, 1080pFrame Rate: 30 fpsShooting Area Max.: 17.3'' x 13'' > A3 sizeBuilt-in Back Light Size: 8.3'' x 11.7''