InfoComm 2018: Legrand Features the Vaddio RoboSHOT 40 UHD PTZ Silent, Smooth Camera June 11, 2018 | Home / June 11, 2018 rave-video / InfoComm 2018: Legrand Features the Vaddio RoboSHOT 40 UHD PTZ Silent, Smooth Camera InfoComm 2018: Legrand Features the Vaddio RoboSHOT 40 UHD PTZ Silent, Smooth Camera