InfoComm 2018: Shenzhen Minrray Presents New Education Auto Tracking Camera with USB and HDMI Ports June 13, 2018 | Home / June 13, 2018 rave-video / InfoComm 2018: Shenzhen Minrray Presents New Education Auto Tracking Camera with USB and HDMI Ports InfoComm 2018: Shenzhen Minrray Presents New Education Auto Tracking Camera with USB and HDMI Ports