Multi -functional smog detecting device

The utility model provides a multi -functional smog detecting device, it relates to security protection equipment technical field. It contains the main casing body, the auxiliary shell body, spy soundinductor, temperature sensor, smoke transducer, circuit board, backup battery, GPS positioner, remote controller, the main casing body for circular cavity component, the inside of the main casing body is provided with circuit board and backup battery, auxiliary shell body fixed connection under the main casing body, the auxiliary shell body is circular toper component, smoke transducer and GPS positioner all are located the inside of the auxiliary shell body, two spy sound inductors and two temperature sensor respectively uniformly cross fixed connection under the main casing body around, andtwo spy sound inductors and two temperature sensor lie in the external side of auxiliary shell respectively, remote controller and circuit board wireless connection, the present invention has simplestructure, and integrates m