Recently, in order to help customers build high-quality real estate and improve the home life quality of Chinese families, Fujian Guanlin has launched an inexpensive 4-inch indoor unit. The color 4-inch indoor unit introduced this time uses 260,000-color LED digital LCD screens, free from the monotony of the past black and white, in color saturation is also better than the ordinary color LCD indoor unit, clear and vivid color reproduction, Stable, flicker-free images bring you a clearer, smoother, lively visual experience. 
In addition to visually bringing more perfect enjoyment, Guanlin's new color 4-inch indoor unit has also greatly improved its reliability and stability. Compared with ordinary LCD screens using CCFL backlights containing “Hg†and other harmful substances, the new 4-inch color indoor unit uses LED backlight technology, which completely excludes “Hg†and other harmful substances, and meets the requirements of green environmental protection. Compared with ordinary black and white CRT screen, black and white CRT screen uses phosphor as display material, which will generate strong electromagnetic radiation. LED digital LCD screen uses LED as backlight source, and the radiation value is almost zero.
The new 4-inch color indoor unit LED digital LCD drive voltage only needs 12-24V, while the black and white CRT screen requires more than kV when starting the high voltage, equipment safety hazards greatly reduced, the product running more stable and reliable. In addition, the internal conversion circuit of the black and white CRT screen is complicated, high energy consumption, high heat, and the same size of the LCD screen energy consumption is only 1/3 of the CRT screen.
The service life of the new color 4-inch indoor unit will also be much better than the black-and-white indoor unit and the ordinary color LCD indoor unit. After experiments, the service life of the black and white CRT screen is 5,000 hours, and the LED LCD screen is as high as 60,000 hours.
This time, with its strong research and development strengths and resource advantages, Guanlin has significantly improved and improved the quality of indoor units. It hopes to promote the continuous upgrading of the intercom industry, and promote the popularization of the price of intercom products and the popularization of applications. Guanlin also hopes that with the "good product, low price" brand idea, more users can truly enjoy the new life brought by high-quality products and services.
In addition to visually bringing more perfect enjoyment, Guanlin's new color 4-inch indoor unit has also greatly improved its reliability and stability. Compared with ordinary LCD screens using CCFL backlights containing “Hg†and other harmful substances, the new 4-inch color indoor unit uses LED backlight technology, which completely excludes “Hg†and other harmful substances, and meets the requirements of green environmental protection. Compared with ordinary black and white CRT screen, black and white CRT screen uses phosphor as display material, which will generate strong electromagnetic radiation. LED digital LCD screen uses LED as backlight source, and the radiation value is almost zero.
The new 4-inch color indoor unit LED digital LCD drive voltage only needs 12-24V, while the black and white CRT screen requires more than kV when starting the high voltage, equipment safety hazards greatly reduced, the product running more stable and reliable. In addition, the internal conversion circuit of the black and white CRT screen is complicated, high energy consumption, high heat, and the same size of the LCD screen energy consumption is only 1/3 of the CRT screen.
The service life of the new color 4-inch indoor unit will also be much better than the black-and-white indoor unit and the ordinary color LCD indoor unit. After experiments, the service life of the black and white CRT screen is 5,000 hours, and the LED LCD screen is as high as 60,000 hours.
This time, with its strong research and development strengths and resource advantages, Guanlin has significantly improved and improved the quality of indoor units. It hopes to promote the continuous upgrading of the intercom industry, and promote the popularization of the price of intercom products and the popularization of applications. Guanlin also hopes that with the "good product, low price" brand idea, more users can truly enjoy the new life brought by high-quality products and services.