Checklist before purchasing:
1. Power supply, coaxial video cable and DVR are NOT INCLUDED but REQUIRED.
2. Default mode: 960H (CVBS) video format.
3. Firstly confirm what video mode, resolution and frame rate your DVR support, for example, if your DVR support max 5MP TVI 12.5fps, then press OSD joystick, the monitor will show On Screen Menu, then choose the video format, resolution, and frame rate by joystick on the camera cable.
4. If you choose the wrong video mode or frame rates accidentally, there may be no signal shows on monitor, please power off and power on the camera again, hold OSD joystick left for 5 seconds, then the camera will be switched to default 960H video mode.
5. At least DC 12V 1A power adapter is required. If there is no video or IR Led is not working properly at night, please use DC 12V 2A (or 3A) power adapter. It depends on the power cable length and quality.
6. Peel off the protective films on the lens and glass panel before installation, or else the night vision will be foggy.