WiFi Door Camera

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· WiFi doorbell cam, build in PIR sensor
· WiFi transmission, connect directly to your ios, Android device.
· Plug & Play, peace of mind
· WiFi transmission, up to 100m
· PIR sensor, covered 3m around
· Build in lithium battery, lasts for 3months continuous work

Q:Monitor knowledge! 1.2 m × 20 meters of the corridor with a large angle of the camera the best?: Corridor 20 meters if it is a single exit with a camera on it, if there are multiple exports on the need to add, the hemisphere and the bolt can be, the lens point of view, to see how far to see, installed 3.6MM lens to see 3 meters Is the best effect, the wide angle of the lens can cover 1.2 meters range, the proposed installation of 6MM lens or 4MM lens, from the 6-10 meters to see the best results, covering the range of 50 ° -60 °

Q:Dvr monitor the video recorder without image output is what the problem: What show? Is the connection right? Machines and connections are no problem, that is, the connection and display and video recorder display mode no election.

Q:Camera clarity, 1080p. 3mp. 4k, what does it mean: 3MP, 3 million pixels should be valid pixels or still photo pixels

Q:I press the Zhongwei monitoring, power and camera are good, that is not seen friends: Try to re-install the software to see, it is not possible to consider contact with the peacekeeping century (Baidu look) ask customer service.

Q:There are cameras at the fork in the expressway: The second is the security card mouth camcorder, the public driving through this camera often found that regardless of speed will flash lights take pictures, in fact, encountered this situation and do not panic. Its main role is to import and export vehicles and personnel to monitor the investigation of suspicious vehicle screening clues to help Interpol and other staff to trace the staff involved. This camera appearance and speed camera no significant difference.

Q:Monitor the camera often flashing why: , The camera coding problem, 4, power supply is insufficient, 5 light dark, light sense of continuous switching, etc., 6, hard disk video recorder interface problems. There are plans to be accurate!

Q:Monitor camera lens 4-6-8-12-16MM difference.: 4 of 3-4 meters wide angle of 45 degrees, 6 of 6-8 meters wide angle of 38 angle, 8 of 8-12 meters wide angle of 35 degrees, 12 of 12-15 meters wide angle of 30 degrees, 16 of 20 meters / wide angle 27-28 degrees,

Q:Monitor the camera when shooting white, is the kind of white, basically do not see the image, and exposure like: The image is not adjusted, there may be two reasons, the first aperture is too large, the exposure is too high; the second brightness is too high, the best brightness, saturation, contrast recovery under the default.

Q:How does the surveillance camera solve the backlight problem?: Second, always use the corresponding function of the camera, improve the backlit appearance. There are two kinds of cameras inside the security camera can be better to deal with the problem of camera backlight, one is a backlight compensation function of the camera, one is wide dynamic camera. Backlight compensation, also known as backlight compensation, is the screen dividends of several different areas, each area from the exposure. In some applications, the field of view can contain a very bright area, and the subject is included in the bright field surrounded by a picture of a bleak, no level. At this point because the AGC detects the signal level is not low, so the amplifier gain is very low, can not improve the brightness of the main screen, when the introduction of backlight compensation, the camera only the entire field of view of a sub-region, Area of the uniform signal level to determine the AGC circuit operating point.

Q:Monitor the camera mentioned in the three stream, what is the meaning of ah, which three?: Three streams of intelligent network transmission H.264 stream, dynamically adapt to ADSL network bandwidth and changes, the audio is always smooth, the video is always perfect, it will not be malicious to seize ADSL bandwidth, such as download, chat and browse the web needs of the bandwidth. Rogue network applications and software is the network operators and national security departments to crack down on the object.

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