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Most bullet cameras are weatherproof and sealed without the ability to use different lenses. Most Bullet cameras, in comparison, do not offer high resolution and lens selection flexibility, but are likely to be weatherproof. Theoretically DVRs can record for weeks on end, depending of course on memory, recording quality and speed. 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 'nanny camera' needs to fit in as part of your bedroom decoration. Some DVR systems will even have remote monitoring capability. 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. Darker environments require 1/3" - 1" sizes. IR illuminators are especially useful for CCTV systems, which use surveillance cameras to monitor banks, shopping malls, government facilities-even private homes. Since security breaches are likely to happen after hours, it pays to be able to see these facilities clearly in the dark. So why keep asking? A simple recording camera could easily clear all of these uncertainties.
In some cases the use of cameras is inevitable. Add to that the risk of tampering or damage to the cables, and you have a strong case for wireless.
Tiny, very low price CCTV cameras usually use CMOS technology. CCTV cameras are usually divided into different types based on the body of the camera used: Aren't there plenty of perfectly good, modern digital security cameras that aren't wireless? it is well worth it to invest some extra money toward purchasing a good quality digital video recorder (DVR). It can be your new alarm clock or pillow, but not a teddy bear (unless of course furry stuffed animals are a common sight in your bedroom). Pinhole lens cameras are often called "spy" cameras and may be mounted in a concealed way for covert surveillance purposes. Special brackets and tile clamps can support a camera destined to be located in difficult positions. Buying Tips Tiny, very low price CCTV cameras usually use CMOS technology. CCD stands for Charge Coupled-Device.
Spy cameras Most Bullet cameras, in comparison, do not offer high resolution and lens selection flexibility, but are likely to be weatherproof.