Abstract: An apparatus for producing fog, said apparatus having ultrasonic circuitry for producing ultrasonic energy for vaporizing a liquid, comprising a receptacle having a recess in the bottom thereof and a surface located at an upper part of said recess for containing said liquid, said recess defining a space devoid of said liquid, wherein said ultrasonic circuitry is located on a bottom of said surface in said recess and positioned such that said ultrasonic energy produced by said ultrasonic circuitry is transferred to said liquid.

Abstract: A waterproof outdoor strobe light having a housing body, a lamp assembly including a lamp tube, and a housing cover is provided. The housing cover may be colored and transparent or translucent to emit light in multiple directions through replaceable lenses. The lamp tube is installed on a front end of the housing and protrudes from the housing to emit light in every direction. The housing body has a sufficient interior space to dissipate heat generated by the lamp tube without the need for air vent slots. A gasket is positioned between the housing body and housing cover for waterproofing. The light may include a supporting assembly to fix the light on the ground.