A camera usually stays black and white because too little visible light reaches its sensor, night mode is forced in the settings, the power supply is unstable, or the infrared cut filter cannot return to its daytime position. Check the actual light at the camera, review day-night settings and test the power path before treating it as a camera failure.
Security camera depth of field determines how much of a scene, from foreground to background, appears acceptably sharp. Focus should be set around the area where useful recorded detail matters most, then checked separately in daylight and darkness.
Choose a security package when the property is simple and the included equipment closely matches its needs. Choose site-specific design when layout, lighting, access points, cable routes, connectivity, operating routines or future expansion require individual planning.
Choose optical zoom when the camera needs to capture closer detail through the lens. Use digital zoom as a viewing tool for enlarging detail already present in live or recorded images; it cannot recover detail that was never captured.
Choose a multi-sensor camera for coordinated wide coverage from one suitable position. Choose separate fixed cameras when the property needs distinct viewpoints, different lighting treatment, or views around corners and structural obstructions.
CCTV images flicker under indoor LED lighting when camera exposure captures rapid changes in light output from the LED driver. The result may appear as pulsing brightness or horizontal bands, particularly when exposure timing and the lighting cycle do not align.
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