TWX LED wall pack family, a ground-up design that has the low initial cost customers demand while providing superior performance and a traditional form. The TWX2 LED is energy efficient, saving up to 82% in energy costs when replacing a metal halide luminaire. Offering an expected service life of more than 20 years, the TWX2 LED eliminates frequent lamp and ballast replacements associated with traditional technologies. The Adjustable Light Output (ALO) feature allows the contractor to set the light output during installation, to a level perfectly suited for the job site. The TWX2 LED ALO luminaires can replace anything from a 70W to 250W metal halide luminaire.