Portable HDTV HD LCD TV Box/ Analog TV Tuner Box / CRT monitor Digital Computer TV Program Receiver (White) Uses progressive scanning technology, offering stable and flicker-free images. The Resolution freely switches among 800 * 600 (60 / 75HZ) / 1024 * 768 (60 / 75HZ) /1280 * 1024 (60 / 75HZ) / 1440 * 900 / 1600 * 1200 / 1366 * 768 / 1600 * 900 / 1680 * 1050 / 1920 * 1080 / 1920 * 1200, and fully compatibility of CRT and LCD monitor. Unique PIP (Picture in Picture)function, and the size of displayed window and location can be freely adjusted. Supports remote control Function and offers humanized English menu operation, and the luminance and setting of the menu can be freely adjustments. Uses Never leave station Frequency Phase Lock (PLL) high frequency tuner (apply to cable and antenna reception), offering more clear and stable picture.