1.Manufacturer,CE,FCC,SGS,ISO,CCC 2.PTZ High Speed Dome H.264 IP Network Camera 3.27X optical zoom 4.IP66 PTZ High Speed Dome H.264 IP Network Camera 1. IP66 dust & water resistant2. 27X optical zoom3. With a heater & fan inside, applies to frozen & hot weather4. H.264 video compression, G.726 audio compression5. Uses high quality step motor and professional drive circuit to ensure the long ...