These LED Linear Strip Luminaires are excellent for general utility applications like garage, warehouse, offices, storage units, stairwell. Color temperature can be switch to 3500K neutral white, 4000K cool white and 5000K daylight. The input wattage can be adjustable to 3 different level that helps you to save energy cost. With the ultra thin design, they are perfect for applications with shallow drop ceilings. These fixtures are DLC and UL certified. They are popular in office, warehouse, public area and other commercial area. Features • 3 selectable color temperature• 3 input wattage level• Aluminum housing with white finish• 0-10V dimmable• 120-277Vac universal input voltage• DLC and UL certified Compliance/Certification • DLC Listed• UL 8750 LED equipment in Lighting Products Specifications Model Number MST4FT-34/38/45W-3CCT CRI 80+ Beam Angle 120˚ Input Wattage 34/38/45 W Input Voltage 120-277 V Operating Temperature -40˚F - 104˚F Dimmable 0-10V Input Frequency 60 Hz Brightness 4420/4940/5850 Lm Trim Frosted Quantity Per Case 6 Quantity Per Pallet 126 Efficacy 130Lm/W CCT 3500K 4000K 5000K Life Hours 100,000 Length (Inch) 48.35 Width (Inch) 3.56 Height (Inch) 2.36 Dimensions