Anytime, everywhere, sitting or lying, enjoy freely. 80 inch big screen(2.5M far away), high-quality picture shown Only 70g weight, carry easily. Micro LCD display, environmentally friendly, no radiation and no harm to your eyes. Broad range of compatible devices, such as A. Watch movies with iPod, MP4, PMP, DVD & Car DVD Player B. Play games with PS2, PS3, XBOX, Wii, Game Console, Handhold Game C. Watch video with Portable TV Tuner, Mobile Phone with AV out D. Any other devices with RCA video out Technology indexes: Display Size: 80 inches virtual LCD screen(at 2.5m distance) Resolution: 640X480(QVGA) Color Depth: 24-bit input Viewing angle: 26 video input format: NTSC/Pal/SECAM auto selection Image input: composite AV Audio: Double-channel stereo Power supply: built-in 500mah Li battery Battery duration: around 6-8h Power adapter:4.5V DC/500mah Net weight:70g