Battery Backup
Products with battery backup contain a battery so in the case of a power outage the lights or signs with stay illuminated for roughly 90 minutes.
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.
Thermoplastic
Thermoplastic is a material, a polymer, that becomes pliable or moldable above a specific temperature and solidifies upon cooling.
Black
Most product that have black housing color are made of a thermoplastic material.
