InfoComm 2018: Shenzhen Minrray Introduces Full 4K PTZ Camera Lineup June 13, 2018 | Home / June 13, 2018 rave-video / InfoComm 2018: Shenzhen Minrray Introduces Full 4K PTZ Camera Lineup InfoComm 2018: Shenzhen Minrray Introduces Full 4K PTZ Camera Lineup