1. 4.2 inch diameter 4.2' medium speed dome camera 2. 1/3 SONY CCD 3 ... ;520TVL; 4. embedded type,million pixel 4.2' medium speed dome cameraProduct features:3.7~14.8mm lens, Support ... rotation, vertical 90° rotation, with automatic rollover, manual speed 0.9°-180°/SEC, English or Chinese menu programming ... 16 presets for each line ,cruise time and speed can be optionalID range0-255Location accuracy±0.1° ...