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Pinhole lens cameras are often called "spy" cameras and may be mounted in a concealed way for covert surveillance purposes. They were imaged on the station's CCTV cameras. If you are concerned that large intimidating cameras might make people uncomfortable, consider using smaller cameras or hidden ones. Selecting the right surveillance cameras Bullet cameras usually come with 3.6mm lenses witch are considered to be suitable for most standard installations (good for covering small to medium size rooms or equivalent). Darker environments require 1/3" - 1" sizes. Video might have killed the radio star but there is no doubt today that DVRs are responsible for the mass extinction of VCRs. Another issue to consider is what recording device to use with the camera. Will you monitor the house 24/7? Or will you simply record using a time lapse VCR and then view the tapes after something happens. The camera and transmitter are usually combined, as are the receiver and storage device.
PC Based CCTV Systems Be sure to consult a professional before making this decision.
This is a great feature, but it only works up to a certain distance (usually between 10 and 50 ft. depending on the model. How Do Infrared Illuminators Work? CCTV security cameras produce images using CMOS or CCD (Charge Couple Device) chips. 2.4 GHz Wireless Security CameraThat's very nice, you say, but what's wrong with regular surveillance cameras? It is great for use in stores, lobbies, gas stations and other public places. Practical solutions for covert installation also include Motion and Smoke Detector cameras, although they are absolutely not a substitute for your security alarm or fire protection. Video from Security recorder could be displayed on a regular TV monitor. The market offers two basic types of recording devices based on VCR or DVR technologies. The camera kits vary depending on their use. Some camera kits can be used on a computer, taking advantage of its monitor and memory. When shopping for security cameras, customers are faced with the fact that they will need to select one or another recording device. Also check the camera's sensitivity to light.
Surveillance cameras come in various sizes, and use different communication methods and sight abilities. Basic camera capabilities can easily be improved by adding special lenses and other devices. You can determine the resolution by the cameras TVL datum.