This is an Emergency Lighting Products (ELP) OM/524-49/T5/TI 24-49w emergency module to operate a range of lamps with wattages between 24 and 49w. This module should be used with a 5 cell emergency battery. This module has been designed to suit all emergency lighting applications that require an inverter and battery. It has compact dimensions and push-wire/IDC terminals to simplify assembly.