China 2 to 3 channels video wall controller

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{"pid":"18363834","cid":"80741","pimg_url":"\/\/img1.b2bforus.com\/bc\/4f\/dd70fe2e336e\/product\/57129974_s-w400xh400.jpg","name":"Haiwei 4k@30fps 4 Channel HDMI TV Video Wall Controller 2x2 HDMI Wall Controller Support 2x2 C2","company_name":"Shenzhen Haiwei Vision Technology Co., Ltd.","attrs":{"Prix":"Negotiable","MOQ":"1.0 Pieces","Heure de livraison":"Negotiable","Marque":"Haiwei"}}