1. 4.2 inch diameter 2. 1/3 SONY CCD 3 . 420TVL;520TVL; 4. embedded type,million pixel 4.2' high speed dome cameraProduct features: ... 360 °continuous rotation, vertical 90 °rotation, with automatic rollover, 4.manual speed: 0.2 ° - 240 ° / SEC,3 articles automatic scanning, 360 ... activated function (guard position), can be set ball machine free after a period of time, automatic call preset position, ...