ViewSonic PJD6251 XGA DLP Projector - 120HZ, 3D-Ready, 3700 ANSI Lumens, BrilliantColor Technology, Network Control through RJ-45 (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90 day warranty High brightness and contrast ratios make this projector shine in virtually any lighting situation Top load lamp and filter-less design provides for easy maintenance and low total cost of ownership RJ-45 connectivity enables remote network control Integrated 2 x 5W speakers provide for effective presentations or classroom lessons