The Metalux LHBS is a 1.6 ft Linear LED high bay luminaire with a wide area lens and rigid upper channel. The LHBS is constructed from lightweight steel and comes with a diffused acrylic lens. The LHBS high bay has three selectable lumen options - 18000, 21000 or 24000 lumens, and three selectable CCTs -3500, 4000, or 5000K. The selectable switches are easily accessible from the side of the rigid upper channel of the luminaire. The Metalux LHBS replaces 256W fluorescent or 400W metal halide lamps. At 60,000 hours of LED life, this LED high bay is a great energy-efficient and maintenance-free replacement that will last up to 16 years. The LHBS has 120-277V, 0-10V dimming class A driver. The LHBS is DLC qualified, and UL listed for damp locations in ambient temperatures from -40°C to 40°C. Great for mounting heights up to 35 ft high, the Metalux LHBS includes includes Chain, V hanger and carabiner clips(already fixed on the chains) for easy installation. The LHBS LED high bay is suitable for shops, warehouse, barn, industrial, manufacturing, and commercial applications. Color: White.