As versatile as it is efficient, the OLWX1 is designed to replace up to 250W metal halide while saving up to 87% in energy costs. The OLWX2 LED is designed to replace up to 400W metal halide while saving over 88% in energy costs. The OLWX wall packs are ideal for outdoor applications such as building perimeters, loading areas, driveways and sign and building floodlighting.