[1080P HD 4-IN-1 Security Camera] This is 4-in-1 TVI/CVI/AHD/CVBS Bullet Camera. compatible with 960H,720P,1080P HD-TVI, AHD, CVI, and CVBS/960H analog DVRs. It is recommended that this ZOSI camera work with the ZOSI DVR for perfect compatibility. [Bulit in OSD Menu] It comes with OSD Menu which can change 4 different video output. 1080P AHD, 1080P CVI, 1080P TVI and 960H CVBS. Default Video mode is 960H mode, compatible with all analog DVRs.