NEC Display Solutions MultiSync ME501 50" Public Display, 3840 x 2160 (UHD), 18/7, 400 cd/m2, Landscape/Portrait, HDMI In x2, DisplayPort In, Audio Mini-Jack Out Built-in Speaker - Newegg.com
XYSCREEN 300 inch high quality fast fold projector screen 3d projection film, View portable projector screen, XY Screens Product Details from Guangzhou Xiong-Yun Audio-Visual Equipment Co., Ltd. on Alibaba.com