3、还具有警示的作用，如今不法分子越来越多了，所以在很多小区或公寓等场所都设置了，防止那些不相关的人员进入，从而保护人群的安全。

Hangzhou Jinlou Intelligent Technology Co. , Ltd. was founded in 2011, to create intimate services, create a green, environmental protection, convenient, sustainable development of private customized intelligent mobile space. The company's main products: Guard, Security Guard, Toll Guard, guard guard guard guard guard guard guard, police guard linkage guard guard guard guard guard, Traffic Safety Advisory Station, traffic advisory station, mobile toilet, garbage room, Light Steel Assembly Mobile Villa, skid-mounted liquefied gas tank, etc. . The posts can be classified according to their uses: public security posts, security posts, sales booths, smoking booths, post booths, ticket booths, toll booths what are the uses: 1, has a certain protective role, the sentry box not only provides a place for the on-duty personnel, but also a place for them to shelter from the wind and rain. Especially in summer, summer is a rainy and hot season, a little careless will be wet or heat, so the guard box became their haven. 2. It can be used as a decorative building. With the development of society, the art pavilion has become a popular element in contemporary society, thus becoming a symbol of many public places, companies, residential areas, tourist attractions and other places, let people feel different visual style. 3. Also has the warning function, now the lawbreaker is more and more and more, therefore has set in the place such as the many small districts or the apartment, prevents those irrelevant personnel to enter, thus protects the crowd's safety.