How to calculate how many lumens and watts are needed to illuminate a room
Venture LP16735 - 8w 960 lumen 3000K bollard, post-top or HID fixture LED corn cob retrofit e26 medium base light bulbs to replace 50w metal halides or 23w cfls at Green Electrical
Lumens and Watts - Prolite Lamps
lumens to watts converter | watts to lumens converter