QH-NW551DO-P IP bullet is one of the 4 mega pixel camera from QIHAN . 
Support H.264 high profile 4.0 video compression, less network bandwidth and storage space.    
All QIHAN cameras integrate with major third-party video management system through ONVIF and API. Its IP67 rated housing protects the camera against rain and dust and ensures operation under extreme weather conditions.
This powerful and versatile camera max customizable options for customer in variety of markets, especially bank, retail, school.
 
․4MP 2688*1520 @30FPS
․Compatible with 3MP/2MP/1MP Device
․2.8-12 mm vari-focal lens
․H.264 high profile 4.0 and MJPEG
․True day/night ,3D DNR,DWDR and ROI
․ 8 Led-Array ,up to 30 meters IR range
․ONVIF 2.4,CGI and GB28181
․IP67 waterproof