... ope ST-SP8505R-48B 4.2 inches mini indoor high-speed dome cameraProduct Description3.7 ... Support power synchronization, 520TVL/600TVL, 1/3 SONY CCD, horizontal 360° continuous rotation, vertical 90° rotation ... after the machine rest a short time , it can operate automatically, Support IP and Iphone, with ... More selections range, can use intergration camera or camera with varal-focus lensl Easy to install ...