Weak current line safety alarm device and system thereof

The invention discloses a weak current line safety alarm device and a system thereof. The device comprises a device body and a central processing module in the device body. A storage groove is formedin the front surface of the device body. One side of the interior of the storage groove is rotationally connected with a protective cover through hinges. A power supply module is fixedly connected tothe interior of the device body. A USB interface is arranged in the lower surface of the device body. A buzzer alarm is arranged on the upper side, close to the storage groove, of the front surface ofthe device body. The side, close to the buzzer alarm, of the front surface of the device body is fixedly connected with indicating lamps. The invention relates to the technical field of weak currentline monitoring. According to the weak current line safety alarm device and the system thereof, the information of the current on each section of connecting line can be monitored through the detectionpoints on weak current conne