• Unmatched lens mount. There are two types of lens mounts for box cameras: CS mount and C mount. The lens and camera must be matched with the same type.
• Use Focus In / Focus Out to control the clarity.
• Check whether the lens or housing gets dirty.
• In case of strong light condition, please select electronic iris as the lens type.

• If it is the resolution problem, please kindly check whether it is the best resolution.

• If it is the lens quality problem, please kindly check whether there is any damage in the lens or whether there is fog, dust, or other things that block light.

• If it failed to focalize, please kindly try to adjust the lens or localize again; if there is no result, please kindly try to adjust the back focus ring.

• If it is the first time to install the device, please kindly check the lens interface. If it is a lens with a C-type mounting base, a C/CS lens adapter ring should be used.

• Analog Cameras: These are the oldest and the simplest of all. They capture and send images over coaxial cable to be stored in DVR.
• HD Cameras: These are just advanced versions of analog cameras designed to give better quality images.
• IP cameras: These are digital and are network-based. These work with NVR (Network Video Recorder), which is a network device to record. Video can be directly streamed. These are technologically advanced and feature-rich.
• PTZ: These are the wide-area surveillance cameras. These are capable of pan, tilt, and zoom for better surveillance.

General types of security sensors include door/window sensors, motion sensors, vibration sensors, glass break detectors, beam sensors, panic switches, smoke detectors, heat detectors

Yes, each alarm system is supplied with a battery backup, which will make your alarm functional for several hours.