The Lumens DC-W80 4K Wireless Document Camera features an extendable shaft with two points of articulation, has a wireless range of up to 49.21' over the 2.4 or 5 GHz bands. This portable document camera has a built-in battery, and can go with you from classroom to classroom. Its wireless capabilities makes it easy to move from desk to desk, so students can share their work with each other. The camera head has an integrated LED for providing illumination and a sharp image no matter the ambient light conditions. A built-in mic allows you to use this as a webcam, or for your voice to be heard when giving remote lessons. The camera head captures images and video at up to 3840 x 2160p at up to 30 fps and 1080p at 60 fps. The camera can also shoot at 720p, and 1024 x 768 (XGA) at 30 or 25 fps, and it has a maximum shooting area of 16.5 x 12.4" when used as a document camera.