TD91 Multi Screen Version - Max Resolution: from HD Signal Support 2K 4K UHD. - WIFI: 2.4G 5G WiFi. - 2.4G 5G WiFi Support. - Support WiFi wirless sync display with your Android and IOS Phone. - 6D Keystone: Support 4 point Corner electric keystone correction for side projection, Left and right 60 Degree ,Up and down 60 Degree and Auto Vertical Keystone +/-60 Degree.
eBay