* input/output: usb+card reader+ 3x hdmi + ypbpr + dtv (hd dvb-t) + av+ s-video+ vga * display tech: 5.8" tft lcd (liquid crystal display) + led lamp * native resolution: 1280xrgbx768 * support resolution: 1280x800\1280x1024\1366x768. * contrast: 2000: 1 * brightness: 3000 ansi lumens (max) * lens: f=190mm projection lens 5lens (manual focusing) * lamp: 120w led lamp about 50, 000 hours life * built-in speaker: 2w *2 audio output. * manual keystone correction: vertical: +/-15 degrees * image zoom: electronic horizontal/vertical image zoom. * projecting image size: (25"-250") (suggest 40-120" best) * video compatibility: pal (secam/ntsc optional) * television system: pal bg/dk/i . * projection methods: front /rear/ceiling/rear ceiling * picture rotation function: h/v * aspect ratio: 4: 3 / 16: 9 switch * menu language: english/franais/espaol/portugues/arabic/polish/russian/chinese (can add any language as custom require) * power/voltage: ac90v~240v, 50-60 hz(can be used all over the world ) * power consumption: 150w * noisy (db):