... 3.aluminum cover 4.ir ptz camere 1. integration variable speed PTZ and multi-function decoder, CPU processor and memory ... scanning. 1 RS - 485 interface terminal.4.suit high-speed ball machine movement index, preset position speed more than 200 ° / s, horizontal 00- ... rotation, no blind surveillance zoom, vertical - 850 ~00., Rotating speed: horizontal 0 ~ 200 / S, vertical 0 ~ 1200 / S, ...