Guanlin is one of the most powerful building intercom and smart home professional manufacturers in China, its products cover the basic building video intercom products, high-end community intelligent system and fully digital smart home system, for different security needs of the building intercom system can meet the needs.
 
Guanlin's building intercom system generally does not have too many additional functions, the degree of intelligence is not high, compared with other brands, the product coverage is wider, and the most prominent advantage is to choose more products. The F102 series features a high-definition full touch screen, although it has additional functions such as electronic photo frame and electronic desk calendar, it is still a low-end digital video intercom product. The D4 series only has basic video intercom functions, while the H10N series can only meet the most basic access control needs, which can be used as an alternative for consumers on a tight budget.