ITHEATER VIDEO GLASSES is our new type of display device. Now is in promoting! It is lightweight and compact, easy to carry and big size image vision view. And much cheaper than other display now. Our products have pass CE and FCCcertification . Specification: Large size screen: 40"-diagonal at 2.5 inch distance Microdisplay: 0.24" AMLCD,full color Resolution: QVGA(320?40識GB), 230K Pixels Field of View: 25 Interpupillary Distance: 63.5mm AV output: PAL/NTSC Power: Rechargeable Lithium batteries,Last for over 8 hours