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What to know before buying a security camera

In the application of security camera production lines, the practicality of the security camera is the most important. We will thoroughly explain how to choose a camera that can shoot high-quality video in security camera production lines. OHWOAI will provide you with the following important information:

1. Do you know your customers' needs?
High resolution security cameras are mainly used in financial systems, road traffic monitoring and other places with special requirements for images. These places have high requirements for images, and can clearly see facial features, license plate numbers, etc. Therefore, if the project you undertake is used for these purposes, you can consider whether to choose this product depending on the cost. At OHWOAI, we provide high quality surveillance and security cameras and are committed to meeting your needs.

2. Understand the detailed features of the product In the current market, cameras with a resolution of more than 480 lines are called high-definition cameras, but in fact, the 500-line or higher high-definition cameras sold on the market and the basic 480-line CCD cameras are structurally similar, and the main difference is in the video digital processing chip (DSP). Some manufacturers have 15-16 bit video digital processing chips, which have higher data processing capabilities and faster image processing speeds compared to SONY's 10 bit chips used in 480TVL cameras on the market.

3. Indicator detection In fact, it is difficult for the naked eye to distinguish the clarity of 500+ line high definition security cameras from 480 line cameras. Therefore, we must first use professional testing equipment to test the technical indicators of security cameras, such as clarity, color reproduction, signal-to-noise ratio, low light, synchronization, color sync, subcarrier frequency, etc. Then, we must imitate different scenes to test them. We mainly observe static clarity, dynamic clarity, and color reproduction. We can shoot landscapes, scenery, flowers, moving objects, people, etc., and observe whether the image is clean, the noise level, and whether the color is natural and realistic. In order to continue to provide high quality products stably, OHWOAI has strong control over quality control, production control, inspection, etc. in the factory.

4. Check the functionality The main feature of a high-resolution security camera is related to the clarity of the image. To ensure image clarity, not only is the horizontal resolution at least 540TVL, but additional functions such as wide dynamic range, auto white balance, image sharpness adjustment, super digital noise reduction (SNR), and intelligent digital auto exposure compensation are required. When testing the function of wide dynamic range, it is necessary to observe whether the transition from light to dark areas is natural and whether the wide dynamic range is automatically adjusted. A good camera should have rich details in both light and dark areas, smooth transitions, and the outlines of the headlights, filaments, and license plates should be clearly displayed, and no vertical bright lines should be displayed, especially when viewing a car license plate at night. In addition, it is also important to test the low light performance at night, and the clarity and noise level of the monitoring screen at night should be checked. OHWOAI's Maspro Security Camera Set Equipped with high quality 6 infrared LEDs and 6 white light LEDs, when set to full color mode, the white LED light will be turned on at night, allowing you to take color photos even at dark nights.

5. Customized Setting Guide The customized setting guide for high-resolution security cameras is mainly done in two ways: menu and dial. For cameras with menu functions, attention should be paid to whether the menu functions are rich and whether the settings are easy to meet the requirements of different complex monitoring environments. Chinese menus are more intuitive and easier to use than English menus. Some security camera menus are equipped with standard day mode, night mode, night KTV entertainment mode, and custom mode, etc., and you can easily respond to various complex environments by simply selecting the appropriate mode, and you can set it up quickly and conveniently. Since it is a wireless security camera from OHWOAI, it is easy to install and does not require wiring work. The monitor can monitor 10 channels, so it is possible to add up to a total of 10 cameras. In addition, it can be paired with OHWOAI POE security recorders and OHWOAI wireless security recorders, and can be operated with the security system. It is easy to operate and protects the security of your home well.

6. Pay attention to the interface In actual use, the surveillance camera may not work properly due to environmental factors or man-made destruction. Therefore, when purchasing a high-resolution security camera, you should pay attention to the diversity of interfaces. You can check whether the rear panel of the security camera has an alarm interface, audio interface, RS-485 interface, etc. Different interfaces not only improve the security of surveillance, but also help to facilitate remote operation and configuration. OHWOAI's connector parts are gold-plated shielded to prevent the formation of rust and oxide coating, ensuring high-precision contact. The multi-shielded twisted structure prevents external electromagnetic interference and ensures stable data transmission. OHWOAI's network cameras can be set up in a few minutes by following the initial settings instructions, and external access and zooming from a smartphone are possible, so you can easily grasp the situation from a remote location.

7. Wide power supply voltage range In actual projects, cameras are often damaged due to unstable power supply. Especially in remote mountainous areas, voltage fluctuations can be large and the surveillance camera cannot operate normally. Currently, home security cameras are mainly powered by AC24V and DC12V. However, some manufacturers' security cameras have power supply redundancy, so even if AC12V is the standard voltage, the security camera can operate normally in the range of 9V to 16V. Security cameras with a wide power supply range can perform well even in unstable voltage situations. Therefore, OHWOAI has finally developed a completely wireless solar-powered, battery-powered, smartphone-linked security camera that does not require a power supply, thanks to its hard work. The large-capacity battery allows you to record for longer than normal products, and it is convenient because you do not need to charge it frequently. This product has a solar panel, so you can charge the camera through the solar panel, so there is no hassle of charging it yourself. Solar power supply saves energy, and you don't have to worry about the battery suddenly running out and interrupting recording.

Security camera installation and setup

8. The installation and setup of high definition security cameras and traditional security cameras are almost the same, but you should pay special attention to the choice of lens. The clarity of the image will be greatly affected by the different lenses. Therefore, in addition to considering whether the size of the lens matches the surveillance camera, you should also make sure that the lens needs to be focused, and that the front of the protective cover is made of excellent optical glass. These factors directly affect the clarity of the image. You will soon see the difference after comparing the original lens with the third-party lens.

9. Related Products In order to obtain high-resolution images, in addition to the front-end high-resolution camera, the image transmission system, intermediate system, and terminal device system also need to meet the bandwidth and compression requirements. This includes LAN cables, matrices, hard disk recorders, video servers, various video encoders, etc. Optical camera cables are important because they have high bandwidth, low attenuation, and high anti-interference, which can guarantee the quality of image transmission. It is best to select a progressive scan monitor for the display equipment of the terminal device and ensure that its resolution exceeds 600 lines. Therefore, when selecting a high-resolution camera, we must not neglect to understand and select other supporting equipment to ensure the goal of high-resolution images. In order to facilitate customers' blind purchases, OHWOAI is equipped with a series of security camera sets, such as monitors, LAN cables, and recorder sets, ensuring quality while allowing customers to avoid detours and experience a more convenient and quick shopping experience.

10. Depend on reliable technical support Finally, before purchasing a product, be sure to fully understand the supplier's capabilities in technical support of the product. This includes whether professional technical training is provided and whether a detailed explanation of the product's features and operation menu is provided. These factors are very important for engineering projects. In addition, it is also very important whether the supplier can provide prompt technical support, maintenance, and repair services when the product has problems and does not work properly. OHWOAI provides technical support to ensure that the high-definition security camera you choose works as planned.

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