| 摘要 |
A security system disclosed in the present invention comprises: a base module which has a fixing unit installed on an installation location, is connected to an external power supply and supplies power; a reporting module which is selectively coupled with an upper side of the base module and contains an emergency reporting switch and an NFC reader unit; and a camera module which is selectively coupled with an upper side of the reporting module and contains a CCTV capturing a surrounding area. According to the present invention, an advertising module, a speaker module, and a height-changing module are used by being selectively assembled and coupled in a block way, besides the camera module, the reporting module and the base module, thereby improving user convenience. In addition, a billboard is selectively changed and used, such that advertisement of various content is enabled. |
