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 - 12000, 15000 or 18000 Lumens and 3 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 192-Watt fluorescent or 250-Watt 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 120-277-Volt, 0-10-Volt 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 25 ft. high, the Metalux LHBS 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.