Abstract: A head mount lamp seat comprises a pivotal unit, a movable unit and a rotary unit; wherein the movable unit is rotatably connected to one end of the pivotal unit; and another end of the pivotal unit is rotatably connected to the rotary unit; and a lamp is installed to the rotary unit. The rotary unit is rotatable horizontally with respect to the another end of the movable unit.

Abstract: A head mount lamp seat comprises a pivotal unit, a movable unit and a rotary unit; wherein the movable unit is rotatably connected to one end of the pivotal unit; and another end of the pivotal unit is rotatably connected to the rotary unit; and a lamp is installed to the rotary unit. The rotary unit is rotatable horizontally with respect to the another end of the movable unit.

Abstract: An alert lampshade device comprising: a seat and a front cap. The seat has a power supply; a circuit board installed with a light emitting element control circuit; at least one light emitting element having at least one LED which is controlled by the light emitting element control circuit; a deflecting element insulator having at least one pass through portion; the light emitting element can pass through the pass through portion; wherein the light emitting element is approximately extended between the deflecting element and the front cap. A front cap is a transparent object with a configuration corresponding to the seat. An outer surface of the front cap is a cambered surface. An inner surface of the front cap is formed with a semi-spherical portion. A reflecting element is installed between the deflecting element and the front cap. The reflecting element is formed with at least one through holes for passing through the light emitting element.