LITHONIA ELM Emergency Lighting Unit 5.4 Lamp Watts Number of Lamps 2 No 120/277 Input Voltage Non-Adjustable Krypton Lamp Type Lead Calcium Battery Type 6 Output Volts (DC) White Housing Finish Thermoplastic Housing Material Mounting Universal Mounting Base Standards UL Listed. NOM Certified. Meet UL 924 NFPA 101 NFPA 70-NEC and OSHA Illumination Standards. Optional Guard 4YFV2/3XE33 Call 720-323-0203