Digital Wireless Home Surveillance Series

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· 4CH digital wireless camera & DVR system
· 2.4GHz digital wireless, no interferences, no privacy leak
· 7" LCD monitor with integrated video recorder
· 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 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 camera parameters how to see: Focal length (f): focal length is the distance between the lens and the photosensitive element, by changing the focal length of the lens, you can change the lens magnification, change the size of the captured image. When the distance between the object and the lens is very far, we can use the following formula: lens magnification ≈ focus / material distance. Increase the lens focal length, enlarge the magnification, can be closer to the vision, the scope of the screen is small, the details of the vision to see more clearly; if the lens to reduce the focal length, magnification reduced, the scope of the screen expanded, See the bigger scene.

Q: Monitor the difference between the camera 720p and 1200 lines: 720P is 1280 X 720 pixels short, usually also known as 100W like. Is a parameter of the clarity of the digital camera system.

Q: What is the difference between monitoring the camera and the usual?: Security issues: ordinary USB camera to PC-based Windows operating system, must be inserted on the computer to use. In the security, quality and other aspects of performance significantly, etc., less than monitoring the camera.

Q: An electronic surveillance camera every month to consume how much electricity: 2, the ball machine consumption of about 28-30 degrees per month or so; and infrared type, the general power consumption of about 5 degrees per month. Without infrared, power consumption of about 3 degrees.

Q: Monitor the camera infrared light does not shine what is the reason: Infrared light power is not connected, cut off the power connector should have two red lines, are connected to the positive pole

Q: Monitor the top ten cameras: Followed by: Hikvision as D-Link Dahua Dili as Sony Sony Sony Ithink Iceland as worry

Q: Monitoring camera 6mm 8mm 12mm 16mm length and width can be according to how much.: At the same time, the same focal length, length and width shooting range also with the camera CCD has a relationship. Charge - coupled Device, Charge - coupled Device. It is a semiconductor device that converts optical images into electrical signals. At present, most of the CCD chip used in the surveillance camera is 1/3 "and 1/4", that is, the target size is 1/3 inch and 1/4 inch. CCD target surface size, CCD and lens with the situation will directly affect the size of the field of view and image clarity.

Q: How quickly remember to monitor the camera model, to do business, such as the DS_2CD3T20D-I5 which is what is the Thank you: 1.2 The color type code is represented by a capitalized English letter, where: "B" means black and white, "C" or empty indicates color.

Q: Can the general camera be monitored?: Ordinary camera: ordinary personal computer + ordinary USB camera + software, the establishment of cheap USB camera monitoring system. Applicable to individuals who do not have any requirements.

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.

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