why you need buy a full hd projector 4k for home theater?

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Top 3 Most Common Drones

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what is First Person control? is called the First Person View

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what is First Person control? is called the First Person View RPV (RemotePerson View), derived from wireless video monitoring technology. FPV is one of the foreign latest popular alternative driving experience, and  bring players very real virtual driving experience by drivers watching the remote model camera back to the real  image , and even land and take off the whole process need not to be looked at the model, like a real plane . This kind of lens often appears in American films. The typical FPV device consists of a camera, transmitter, receiver, screen and battery and foreign finished product sets such as FPV250 with video AV output line, high sensitive 2.4 G receiver, 200mW2. 4G launcher, battery, camera and so on . Some FPV, such as 10 ~ 50mW small emission power, often use the camera and launch module as one, the model end is smaller but video transmission distance is closer. Cameras as the eyes of the driver on the plane, is responsible for the visual imag
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