Product Description: FEATURES AND BENEFITS: The Suspension lights features a direct ( and indirect light), milky white lens with 100 beam spread Available in white , black and anodizing options The IP40 rating offers extra protection for school applications The special optical design achieves high efficacy, and even more energy can be saved thanks to control options including presence / absence detection and daylight dimming Fixture can be equipped with an occupancy sensor devices are factory installed and require minimal labor to set up during fixtures installation Drivers come standard with 0-10V dimming leads capable of variable dimming down to 10% Standard fixtures is anodized on surface Specifications PF: >0.90 CCT: 4000K CRI: >80 THD: 87% Wattage: 100W;50W Lifetime: 50,000hrs Beam Angle: 100° Efficiency: 110 lm/W SMD LED Chips Brand: MASON Dimensions (L X W X H): 47.50" x 6.69" x 1.77";95.6" x 6.69" x 1.77"