The Yaham Linear Pro delivers industry-leading performance with substantial energy savings for open and stack aisle applications. The linear high bay fixture combine high light output, high efficacy and high reliability into a robust platform that features rugged construction and excellent heat management. Incorporating the latest in LED chip technology from Nichia and an innovative optical design that assures consistent photometric performance, Linear Pro creates crisp light beams with the best luminance and color uniformity in its class. The heavy-duty extruded aluminum heatsink delivers outstanding thermal management in an architecturally appealing form factor, which not only provides a stylish and modern industrial look but also ensures more efficient and dependable operation. The Linear Pro series includes 120W, 150W, 200W and 300W power packages. Delivering up to 39,000 lumens at an industry-leading efficacy of 130 lm/W, Linear Pro is an outstanding value with an extremely attractive ROI for a wide variety of applications and mounting heights. The IP65 ingress protection against dust and moisture makes the choice simple for all your lighting applications, including wet locations and hose-down environments. Linear Pro supports DALI protocol and provides optional integration with daylight and occupancy sensor for automated daylight harvesting and 1-10V/PWM dimming control.