REVIEW: Versatile, Bright & Sharp- Small, sleek and stylish, the Optoma PRO250X provides a combination of performance and affordability. Including features such as 2800 ANSI lumens, contrast ratio of 3000:1, lamp life of up to 4000 hours, filter-free design and low standby power consumption, the Optoma PRO250X will not only help you save on costs over time but also deliver a perfect, colorful, crisp image to captivate your audience.
Features:
- Native XGA DLP® by Texas Instruments with BrilliantColor™ Technology 
- Bright images and high contrast ratio - 2800 ANSI lumens and 3000:1 contrast   ratio (full on/full off) 
- Filter-free design means low cost of ownership 
- Rapid power-on and shutdown – no waiting 
- High Definition resolution supported – up to 1080p 
- Wide range of connectivity options: two VGA-in, VGA-out, s-video, composite   video, audio-in, audio-out and RS-232
Product Description
Small, sleek and stylish, the Optoma PRO250X provides a combination of  performance and affordability. Including features such as 2800 ANSI  lumens, contrast ratio of 3000:1, lamp life of up to 4000 hours,  filter-free design and low standby power consumption, the Optoma PRO250X  will not only help you save on costs over time but also deliver a  perfect, colorful, crisp image to captivate your audience.
Source : www.amazone.com