Westgate Lighting EL-EHO LED 2-Head Extra High Output Emergency Light, 120-277V, Color Temperature 4200K, White FinishWestgate EL EHO EL EHO Product Description Emergency lighting is designed to provide sufficient illumination in the event of a mains power failure. Modern emergency lighting is installed in virtually every commercial and high occupancy residential building. Most building codes require that they be installed in older buildings as well. SPECIFICATIONS : :: Voltage: 120 277V 50 60Hz:: Power Factor: >0. 90:: Wattage: 10W Per Head:: Efficacy: 62. 5 LPW::