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| New era spy camera |
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| 标准 |
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New era spy camera
Each camera had its own monitor. One camera, one monitor.CCTV systems were introduced in the US and the UK during the 60s and 70s.CCTV systems are over a thousand times more advanced than the basic camera and monitor configurations that first appeared in the 1960s. Systems from the 60s were basic, consisting of very low resolution black and white cameras connected by coaxial cable. Each camera was connected to a black and white monitor. A 16 camera configuration required 16 monitors. New applications of camera security systems include: underground trains and stations, sports stadiums, retail stores, shopping centers, public facilities, community parks, garages and parking lots.
However, these ordinary camera will be very easily be discovered by gangsters and criminals , they will easily avoid these cameras. Thus, these ordinary cameras can not reach a specific monitoring role .
However, the current manufacturing our new bathroom spy camera camera , is a very covert spy cameras , ordinary people are difficult to find . So that it can be monitored in case of hidden family 's every move.
http://www.sellbathroomspycamera.com/
http://www.onlinespycamerabathroom.com/
http://www.kajoinhk.com/
http://www.kajoin.com/本公司地址:广东深圳广东深圳市 |
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polyurethane(PU),waste & water treatment |
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| There are no existing companies to distribute selected chemical product |
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