Best in Class Optoma’s TX542-3D is designed to meet the demanding requirements of school districts and businesses. Bright, high contrast images provide easy-to-read text, and the built-in closed captioning decoder displays text from videos that have closed captioning embedded in the signal. Wired networking allows remote management and control of the Projectorector, and a built-in 10-watt speaker system outputs volume required for larger audiences. Optoma backs the TX542-3D with 3 years of Express Replacement Service and a one year lamp warranty to provide added peace of mind. Easy-to-read text – bright at 2800 ANSI lumens and high 3000:1 contrast ratio  Broadcast messages to the Projectorector over the network  Eco-friendly low power consumption - sub-one watt standby mode  Remote management and control via RS-232 or RJ45  Protect your investment – built-in security bar, control panel lock, logo display at start-up and user-selectable password  Built-in closed captioning