The largest speech prompter on the market. Features two 20" LCD color panels. 400 NTS make them extremely bright! These panels work anywhere in the world. They accept composite video of NTSC/PAL standards. These versatile panels also accept SVGA direct from your computer. Universal power 110/220 volts AC or 12 volts DC. Includes two housings, poles and mirrors. Mirror size: 12.75in x 15.5in. As top-of-the-line as you can get!