ZOSI 2.0 Megapixel HD 1080P 4 in 1 TVI/CVI/AHD/CVBS Security Cameras Day Night Waterproof Camera 120ft IR Distance Aluminum Metal HousingCompatible for HD-TVI AHD CVI and CVBS/960H Analog DVR

This 4-in-1 professional Bullet security camera built-in 1/2.7" Cmos image sensor, with 2.0 Megapixel resolution and an advanced circuit design, It adopts an advanced image processing technology. the camera resolution is as high as 1080P full HD, which ensures clear and bright pictures. this 1080P HD camera has a built-in OSD menu that can change the 4 different video outputs HD-TVI, AHD, CVI, and CVBS(960H) and adjust the video settings. a: 1.Check the extension cable (power and video) is securely connected to the camera. 2.Check the video output from the camera is securely connected to a video input channel on the DVR. 3.Check the power from the camera is securely connected to a power supply. 4. The camera mode do not match your DVR. There is 2 ways to setup. (1) press OSD joystick “down” 5 seconds, if still no picture Come, try to press “left” “RIGHT””UP” for 5 second, till the signal matching your DVR.(2) make sure the signal of your DVR, use OSD joystick to change the mode of the camera according to your DVRs video mode. zero-risk purchase, 100% satisfaction guarantee 365 days 100% money-back guarantee. We will refund you immediately if you are not satisfied with our products.