Digital Wireless Home Surveillance CM-2

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· 4CH digital wireless camera & DVR system, no interferences, no privacy leak
· Simple installation- no video cables required!
· 2.4GHz digital wireless receiver with integrated video recorder
· Support up to 32GB SD card or external 1TB mobile disk by USB2.0
· Support 4 cameras/ 24hours /7days non-stop overwrite recording
· Multiple recording modes: manual, schedule, and PIR activated
· 5meter night vision range
· Video quality: 4CH VGA 15fps, 1CH VGA 30fps
· Weather proof outdoor cameras with 300 m/1000ft transmission open range
· AV output function for monitoring in Quad mode

Q: What is the meaning of the high definition and standard definition of the surveillance camera?: HD requires a physical resolution of 1920 × 1080, that is to say the horizontal resolution to reach 1920 pixels, the vertical resolution to reach 1080 scan lines.

Q: What kind of surveillance camera is good for the hotel?: Corridor: generally with ceiling-mounted explosion-proof hemisphere, easy to install, the overall effect of beautiful.

Q: Night to monitor the infrared light is not bright because it is not open monitoring?: 1: equipment power supply problems, open the infrared light to monitor the camera power is not open than the big, generally do not open when the 2 to 3 times the power, if the power quality, but the line is not enough, the total power supply UPS power is not enough Open the infrared light

Q: How does the surveillance camera solve the backlight problem?: Monitor the camera when installed properly, the exact location of the installation is not properly, in the monitoring screen may appear backlight phenomenon, which is installed monitoring often encountered problems. Especially in the entrance to install the surveillance camera is more prone to this problem, aimed at this problem, in fact, has not yet fully found a very effective way, the following Xiaobian introduced three ways to improve the backlight appearance must have a role, everyone In the use of the process of induction on-site environment and many other conditions to think, and then seek the best disposal approach.

Q: What kind of material is needed to install the surveillance camera?: 2, calculate the number of cameras, and now the general camera 480TVL SONY CCD price between 270-380. Outdoor 50-80 meters of infrared light irradiation distance is enough, high-power infrared lighting equipment will make a lot better at night. But it was black and white at night.

Q: Monitor the camera's focal length 4 meters good or 8 meters good: Showing the shooting of the smaller the object, looking very far feeling. The larger the number, the shooting angle is small, shooting the display of the object is closer, look bigger.

Q: HD camera is said that his clarity, infrared camera is that it's night vision function, in order to highlight the main features of the name of a: 2, the lens sub-focus lens and zoom lens. Zoom lens focal length is variable, the scene can be closer to or push away, to achieve several times the zoom effect, use it to the blackboard on the board book clearly, can also be the whole picture of the classroom, the focus can not be achieved this function. Equipped with a lens for the electric three variable lens, can be zoom, focus and aperture adjustment. Zoom to zoom in and out of the picture, change the viewing angle and image size; adjust the focus and aperture, adjust the image clarity. Can be classroom teacher or a student's big picture clear real-time fixed in the entire screen, can also push to the whole class image.

Q: Does the infrared surveillance camera automatically alarm when someone enters the monitoring range?: The camera itself does not work, through the acquisition card, or hard disk video recorder, you can detect the mobile body will alarm,

Q: Can the general camera be monitored?: Schools, hotels, public places Camera: with a single hard disk can be a single branch, you can also run the network, you can also real-time monitoring. Features: high rate requirements, large data capacity, long storage time.

Q: Is to use two TV sets, and can use this one to monitor the camera. Can I? How should I pick, but also with what accessories. Please prawn help me, thank you: With a dispenser (one two) can be, there may be some attenuation of the signal, it is estimated that the impact is not too great.

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