Digital Wireless Home Surveillance

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· 4CH digital wireless camera & DVR system
· 2.4GHz digital wireless, no interferences, no privacy leak
· Support up to 32GB SD card or external 2TB mobile disk by USB2.0
· Support 4 cameras/ 24hours /7days non-stop overwrite recording
· Multiple recording modes: manual, schedule, and PIR activated
· 20 meter night vision range
· Video quality: 4CH VGA 15fps, 1CH VGA 30fps
· IP 66 Weather proof outdoor cameras with 300 m/1000ft transmission open range
· A/V output function for bigger monitor
· IR-cut filter embeded

Q: Monitor the camera from the appearance of how to distinguish is not infrared: Second, the power test: a small number of camera light bulbs are not infrared, is white, this need to power, and then block the camera on the light sensor, so that the lamp work together. (White light bulb when working, the light is white, the human eye can be seen. Infrared light bulb is issued by the infrared light, the human eye is almost invisible, but the camera output screen is illuminated)

Q: Monitor what is good for video recorders: Such as the cloud in the dimension of the cloud as the function, do remote too convenient, but the clarity is not as good as Hai Kang and Dahua.

Q: Monitor the camera mentioned in the three stream, what is the meaning of ah, which three?: Three streams can achieve local transmission and remote transmission of three different bandwidth required stream, the local transmission using high-bit stream can get higher HD video storage, remote transmission using a lower stream to adapt to CDMA / ADSL and other Network and get a higher image fluency.

Q: What is the maximum visual range of a video surveillance camera?: Camera monitoring to its monitoring range is no dead!

Q: What is the difference and connection between the optical zoom and the digital zoom of the camera in the security monitoring?: Digital zoom, the software is a way to achieve the realization of electronic amplification, and more for high-definition network camera, through the camera's capture screen, the screen to enlarge the local.

Q: What is the effective range of infrared surveillance cameras?: 6 mm more than a narrow angle lens, the general effective distance is about 100 meters. And some 25 mm is about 150 meters, if the high-speed laser PTZ machine can reach 300 meters of infrared distance, but this cost is very high, about 13,000 or so, commonly used lens general angle is as follows: 2.8mm 101 ° 3.6 Mm 83 ° 4mm 76 ° 6mm 53 ° 8mm 35 ° 12mm 28 ° 16mm 21 ° 25mm 13 ° 1 / 3CCD and 1/4 CCD angle difference around 20 ° Hope to help you.

Q: How to monitor the camera with the venue, what type of camera installed in what kind of site, the camera installed how much the number of lenses should be equipped with light board.: Surveillance cameras indoor and outdoor, the indoor general with the hemisphere or the appearance of the bolt. Outdoor is the infrared ball machine or gun-type camera. In addition to hemispherical cameras and smoke-sensitive models, UFO cameras have installation restrictions, and other gun-type cameras have no specific installation restrictions. The type of camera mainly depends on your site and the requirements of Party A.

Q: Monitor the camera's focal length 4 meters good or 8 meters good: General surveillance camera focal length is not 4 meters 8 meters, and some words are estimated that the focal length of the telescope. I think you focus on the unit you did not understand, monitor the camera focal length of 2.4,4,6,8,10 ... and so on

Q: What is the number of millimeters that monitor the camera?: Surveillance cameras generally see the 3.6 6 8 12 16MM These lenses are generally divided into wide-angle, ordinary, long focal length (these are fixed focus)

Q: Monitor the camera what is the zoom: Zoom, is the focal length, that is, long-term problem! Is to see the camera to the object far, closer. Change is to see the object to enlarge. Do you understand that?

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