The Sure-Lites Emergency Light SELM series is a UL924 code compliant solution designed to run for a minimum of 90 minutes during a power outage. Key features of the series include: a nickel cadmium battery capable of providing 4 watts to 16 watts of remote capacity, steel housing and aluminum heads, long life and maintenance free LED source with proprietary accuLED optics, as well as self-diagnostics that perform NFPA required monthly testing. The base units are fully compatible with SRP/SRM/SRPA LED remotes. The patented external battery disconnect and easy hang features reduce installation time and cost. The SELM series is designed for indoor commercial or industrial use and is City of Chicago and New York City compliant.