EL, Twin Head Emergency Light, equipped with easy connect back plate and 180 degree rotating heads, makes it a snap to put this dual voltage unit anywhere. njection-molded, V-O flame retardant, high-impact, thermoplastic housing. Compact, low profile design in a white housing. Two fully adjustable 5.4 watt, glare free lighting heads. 6-volt, sealed lead acid, maintenance-free, rechargable.