The Rockville BATTERY PAR 50 is a powerful, portable wash light with a built-in rechargeable battery that provides up to 11 hours of continuous use. It features a variety of colors and modes, including static colors, color change, fade, strobe, and sound-activated modes. The BATTERY PAR 50 can be controlled via DMX or the included remote control, and it can be used as a standalone fixture or as part of a larger lighting setup. It is perfect for parties, events, or any other application where you need a versatile and portable wash light.