✔Portable design: Won't take up too much space, easy to carry on, suitable for camping, outdoor party, Best Gift for Kids. ✔Are you protecting your children's eyesight? Adopted Bridgelux LED light source, zero radiation. The diffusing relection theory adopted to our projector can protect the eyes by avoiding straight light,providing more soft and comfortable light than competitive brands. Safe for young children’s eyesight and health. ✔ Operation Guide: ±15°Manual Vertical Keystone Correction. 360°Image Flip Function. 25 Degree Digital Zoom- Press the "Zoom" button on the remote to zoom out the images to fit your screen on a designated area. Fits for Front, Rear, and Ceiling Projection.