The Hyskeir Pro Highbay has been re-designed to focus on sustainability. The improved Hyskeir Pro 4 Highbay has been increased to 165lm/W. Keeping delivered lumens the same to mimic traditional HID outputs whilst lowering system wattages to give the very best energy savings and drive us towards carbon neutrality. A lifetime of up to 120,000 hours ensures your lighting is reliant and sustainable for many years to come. And packaging volume has been reduced by 35-45% using fully recyclable cardboard.