The EK-402UA, EK-401WA and EK-400XA achieve high brightness 4,700 lm (EK-402UA), 4,600 lm (EK-401WA) and 5,500 lm (EK-400XA) with lamp. These models are compact design and have 3 digital inputs (HDMI x 2 and Displayport x 1) and x 1.5 zoom lens. These models has 3D function and easy maintenance of top-accessed lamp & filter-free. These 3 models have built in 3-Watt audio speaker, Closed Caption and LAN network. These 3 models are compatible with Crestron Room View and AMX Device Discovery System.