1.Manufacturer,CE,FCC,SGS,ISO,CCC 2.High Speed Dome H.264 IP PTZ Camera 3.IP66 dust & water resistant 4.37X optical zoom High Speed Dome H.264 IP PTZ Camera 1. IP66 dust & water resistant2. 37X 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 ...