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Okorder.com is a professional Dvr Cctv supplier & manufacturer, offers integrated one-stop services including real-time quoting and online cargo tracking. We are funded by CNBM Group, a Fortune 500 enterprise and the largest Dvr Cctv firm in China.Hot Products
FAQ
- What kind of surveillance camera points
- Infrared integrated camera, integrated camera, infrared hemisphere, ordinary hemisphere, explosion-proof hemisphere, constant speed ball, medium speed ball, high speed ball, network camera, gun camera (low light, wide dynamic, color to black) And so on.
- Monitor there is a camera monitor can not see, but the playback can see, how is it?
- Playback can see that the front-end camera to monitor the host connection is good, the monitor can not see the reason is because the monitor host to monitor connection problems.
- What is the minimum illuminance indicator of the surveillance camera?
- IRE Level: The maximum amplitude of the video output of the CCD camera is generally set at 100IRE (or 700 mV), and a 100IRE video indicates that you can fully drive a monitor to show the best brightness and contrast image quality. 50IRE video shows only half the contrast, 30IRE (or 210 millivolts) that only 30% of the original amplitude, usually 30IRE is the lowest performance available image value. So there is no indication of the lowest illuminance results of the IRE grade and are not actually comparable. Finally, it is the camera's special function settings.
- Monitor the camera what models
- Longitudinal and under the "and too" series for the industry's top ten users recommend the brand. Product quality and cheap, trustworthy! Longitudinal and was with the major government, military, schools, enterprises and institutions are all cooperation.
- Home pinhole wireless surveillance camera where to sell? How much is the miniature camera?
- Wireless monitoring is estimated to be 2-5 or so, not too expensive, clearly not to sell
- Monitor how the camera will suddenly no color
- 3, the camera image is normal, the display device switches to black and white mode.
- Monitor the camera focal length 3.6mm 4mm 6mm. What is the meaning?
- Mm is the lens of the aperture, the number of millimeters, not the bigger the better, the smaller the camera according to the wider picture, the larger the lens the more narrow the picture clear
- The camera used to monitor the color of the screen is not normal. Blue as red. Red out is blue. New to buy the camera
- This is the reason for the collection card, the problem is installed after the acquisition card.
