hitachi 200X with 0.63-inch 3LCD inorganic distribution film LCD board, UHP lamp life of up to 6000 hours, using Hitachi’s new generation of active dust-proof optical engine, special double electrostatic filter, equipped with a new generation of cooling system, Hitachi’s original wind design, fully cooling optical components while blocking dust, support automatic vertical trapezoid correction, top light change, 29 decibels Low noise, weight 3.0KG, with network presentation function, full Chinese interface software, can directly transmit the computer screen signal and information announcement display through the network interface. Hardware with anti-theft bar design, software with PIN lock and user identification PIN lock, position detector function. Has a bright daytime environment mode, as well as blackboard, whiteboard, art and other six modes, with widescreen adaptive and resolution adjustment function.