Versatile TIGERSECU Super HD 1080P bullet-shape security camera designed for use with 4 different types of recorders: HD-TVI, AHD, CVI, and CVBS 960H D1 analog DVRs. Integrated 4-in-1 camera switch makes it easy to add on to a variety of DVRs. For 720p or D1 systems, simply switch the camera mode to CVBS (944X480). Clearly distinguish people, objects, and actions with high definition 1080p resolution, capable of generating 1920 x 1080 pixels (2.0 megapixels) video. This camera does not have audio functionality and does not record sound.