The ADJ S81 LED II is a mini LED strobe ideal for small mobile events or permanent applications such as clubs, bars, restaurants, and retail stores. It comes in a compact plastic case and has a variable speed potentiometer. The ADJ S81 LED II is a mini LED strobe ideal for small mobile events or permanent applications such as clubs, bars, restaurants, and retail stores. It comes in a compact plastic case and has a variable speed potentiometer..PZA MORE SPECS