AUDIO CONE MODULE

摘要

[0048] A safety device, comprising at least one sensor for sensing the presence of an object and a warning system that emits at least one precreated verbal warnin g message after the sensor senses an object. The warning system includes a control system that allows a user to select at least one of a plurality of precreate d verbal warning messages for emission. In another embodiment, a safety device comprises a safety cone, a sensor disposed on the safety cone and that senses an object, and a warning system disposed at the top of the safety cone and that emits at leas t one warning signal after the sensor senses an object.