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Geomembrana Home DepotSurveillance Equipment Supplier & Manufacturer from China
Okorder.com is a professional Surveillance Equipment 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 Surveillance Equipment firm in China.Hot Products
FAQ
- How to buy surveillance camera?
- Generally, the Angle of 3.6 mm lens can reach 75 degrees. The infrared distance of the face can be seen from about 0 to 5 meters.
- What is zoom in the surveillance camera
- Zoom, focus, is the long-term problem! It's going to be the thing that's going to see the camera that's going to be far away. To double that is to magnify the object that you see. Does that make sense to you?
- Monitor video of the lens classification? These scenes are used in what the environment
- Standard lens: viewing angle of about 50 degrees, but also human monocular in the head and eyes do not turn the case can see the perspective, it is also known as the standard lens. 5mm camera standard lens focal length of 40mm, 50mm or 55mm. 120 camera standard lens focal length of 80mm or 75mm. The larger the CCD chip, the longer the focal length of the standard lens.
- The monitoring camera has 3.6 mm and 3.2 mm. What is the difference?
- See range is different, 3.6 MM to look wide a few
- Monitor the camera focal length 3.6mm 4mm 6mm. What is the meaning?
- Large number of millimeters of the lens is equivalent to the local zoom, according to the needs of the venue, the size of the number of millimeters of the lens price is the same, there is a picture below you look to understand, hope to adopt
- Monitor the wall of the lens, not the reason of the image analysis
- If the cable is plugged into the switch, the switch will be switched on or off.
- What's the difference between a 6mm camera and a 3mm camera
- 2. The smaller the lens, the larger the Angle of the lens.
- Surveillance camera MTV lens DC12V what is the meaning?
- DC12V: DC is DC, 12V refers to the rated voltage, DC12V refers to the rated voltage of DC 12V camera.
