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The micro camera is a very useful device especially for people who work in detective agencies, private agents, journalists and investigating agencies. These types of cameras are hidden in car key chains; sun glasses, wrist watches etc and with a single push of a button they are activated and start recording whatever is happening in the surrounding. The micro camera is very powerful in nature as their work is very important and they do not have much space to move around. The HQ909 key micro camera is a great device to have with you. The biggest asset of this micro camera is that it continuously displays time after being switched on. This offers the facility to set the time for recording and then the camera automatically switchers off. With the help of the manual mode this micro camera gets into the video mode in the switched off state also and with a long press of the button it starts recording and another press will switch it off and will save the recording too. Then there is mode for camera too. In this mode one can take still pictures and this mode can also be activated in the switched off state. These micro cameras need to be so high tech because most of the times the work that user takes from these cameras is very risky and involves high degree of precision. The format for video in this micro camera is AVI which is very general and thus it can be played on any media player without any problem. Another big advantage of this micro camera is its huge 4 GB memory capacity which makes sure that there is no shortage of memory while recording a video. The frequency at which this camera works is 50 or 60 Hz. The image format and the format for camera for this micro camera is 640X480 and 1280X960 respectively. QW074 and HD720P are the other cameras of this type but they come along with different item like QW074 comes in a wrist watch and HD720P come in sunglasses. The features are almost the same but these cameras are just a touch superior to the previous one. The HD720P micro camera supports windows vista and other previous version of windows. The camera in this micro camera is also of very high quality that has CMOS sensor for colors where as QW074 is also equally good but there is no support for any kind of operating system in this micro camera. Over all its usefulness in incomparable and offers great options to people who necessarily require it for their professional reasons.
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