Q:Monitor camera parameters how to see the bigger the bigger the better?

Lens focal length and angle Focal length Specification angle 2.1 mm Small lens 1/3 150 ° 2.5mm. Small lens 1/3 130 ° 2.8mm Small lens 1/3 115 ° 2.8mm. Fixed aperture 1/3 115 ° 2.8mm 1 / 3 96 ° 4mm 1/3 78 ° 6mm 1/3 53 ° 8mm 1/3 40 ° 12 mm 1/3 23 ° 16 m 1/3 17 ° 3.5-8 mm 1/3 96 ° - 45 ° 6-15 mm 1 / 3 54 ° - 23 ° 6-36mm

Q:What color is the monitor when the camera is turned on?

You should be equipped with infrared camera infrared camera infrared light with LED lights and photosensitive resistors, when the light is lower than the infrared light is lower than the minimum illumination of the infrared light when the infrared light will open, most of the red, there are White light and no red light at night no light, the specific and the relationship between the wavelength of infrared light.

Q:Do you want to monitor the camera?

Weak point of delivery is to talk about the power adapter in the 220v voltage this head, the transmission line is 12v voltage, suitable for closer from the video camera camera.

Q:Now the surveillance camera really tmd nonsense, four hundred or five hundred products with more than a hundred USB camera are not as good as poor resolution did not shadow, and generally are so, monitoring products are pit father,

Mode. CMOS is complementary to each other metal oxide semiconductor, CMOS is mainly the use of silicon and germanium made of these two elements of the semiconductor, through the CMOS on the negatively charged and positively charged transistor to achieve the basic functions

Q:Monitor the difference between the camera 720p and 1200 lines

P and line, are the unit of image clarity, but P is used in the digital system, the Chinese full name for the pixel, and the line is used in the simulation system, the Chinese full name for the TV line.

Q:Monitor the video recorder has been unable to work what is the reason

VCR hardware is damaged. This situation is recommended to contact the dealer for the repair.

Q:6mm camera and 3mm camera What is the difference

3, the smaller the smaller the effective monitoring of the distance, the more the larger the effective monitoring of the farther away from the lens.

Q: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.

Q:Network surveillance camera, at home, the mobile client can be used, but after the connection network, the client shows the ID is invalid, what is the situation?

What brand of network camera do you use? Is it safe for Shenzhen? Their home is relatively simple I take this to you: you have to re-add equipment in the external network, you put the serial number of the device into the re-enter (rather than search, search out all the network), add good You can see

Q:Network monitoring camera how to make external network access?

First of all, mobile broadband router or dial-up Internet access to the WAN IP is not an Internet temporary IP, so the use of dynamic domain name to achieve remote video will not be successful.