The PYRAMID series LED high bay lights take affordable LED lighting to a new and sustainable level with substantial energy savings of up to 65% vs high-pressure sodium, mercury vapor and metal halide high bay lights. PYRAMID LED high bay produces a very high lumen output of 18000 lm with an efficacy of up to 120 lm/W. The architectural form and low profile design provide a stylish and modern industrial look that perfectly matches open retail and industrial production spaces, sports complexes, logistical centers and warehouses. The rugged, die-cast housing is IP65 rated for exceptional durability with excellent thermal dissipation design to keep LED components cool for maximum life. Precision-molded lens system allows for outstanding optical control and multiple light distributions. The state-of-the-art Philips vertical driver provides unsurpassed system efficiency, control and protection with architecturally pleasing structural integration. Optional built-in motion sensors and 1-10V/Dali dimming controls capabilities provide additional energy savings by reducing light levels and power consumption. The industry-leading warranty of seven years makes the choice easy for customers who desire long-term maintenance-free lighting.