The lightstream pjd5253 makes a big statement with its elegant style and price defying audiovisual performance its curvaceous design which includes a tactile keypad and non slip foot pads also presents an intuitive and user friendly interface exclusive supercolor and sonicexpert technologies provide the optimal visual and audio performance the pjd5253 boasts a 3 200 lumen lamp with a 15 0001 contrast ratio delivering clear and bright images for small to medium meeting rooms or classrooms