... CCD 3 . 420TVL;520TVL; 4. embedded type ST-SP8506X-B Chinese(English) high speed domProduct Description3.7~14.8mm lens, Support ... automatic rollover, manual speed 0.9°-180°/SEC, English or Chinese menu programming optional, Support PELCO-P, PELCO-D, communication protocol ... menu is optional, Guarding function, after the machine rest a short time , it can operate automatically, Support IP and Iphone, ...