High Lumen
A lumen is a measure of the amount of brightness of a lightbulb -- the higher the number of lumens, the brighter the lightbulb.
High Lumen Emergency Lights are much brighter than the standard emergency light.
Steel
Steel Exit Signs
White
Most product that have white housing color are made of a thermoplastic material.
Black
Most product that have black housing color are made of a thermoplastic material.
