3lcd technology, rgb liquid crystal shutter lcd panel :55 inch with c2 fine color light output 3,300 lumen- 2,200 lumen (economy) in accordance with idms15.4 white light output 3,300 lumen - 2,200 lumen (economy) resolution xga, 1024 x 768, 4:3 aspect ratio 4:3 contrast ratio 15,000 : 1 light source lamp lamp uhe, 210 w, 6,000 h durability, 12,000 h durability (economy mode) keystone correction manual vertical: ± 30 °, manual horizontal ± 30 ° colour video processing 10 bits 2d vertical refresh rate 100 hz - 120 hz colour reproduction: upto 1.07 billion colours interfaces: vga in, hdmi in, usb 2.0 type b