... High Bay Lights are in modular design, each made of 1-14 LED modules, 1-2 LED drivers ... and one housing. Applicable for industrial lighting, warehouse lighting, flood lighting, tunnel lighting and high ... or no tools.Features:1. Power Driver---High efficiency. Input voltage 120V or 220V, it ... 2. LED Module ---IP patented optics design ensures high luminous efficiency, 18W each and output >1620lm. ...