LFI Lights - UL Certified - Hardwired Red LED Combo Exit Sign Emergency Light - Self Testing - COMBORST2 Meets or exceeds UL924 (21 separate tests), NEC, OSHA & NFPA 101 Life Safety Code requirements Two fully adjustable, glare-free LED lighting heads 120/277 VAC operation All LED light! No SLA batteries, uses long lasting NiCads that are very low maintenance Self testing unit