Adjustable long lasting, efficient, ultra bright white LED lamp heads.; One, 0.5 watt white LED per lamp head.; Unique all-inclusive lamp, reflector and lens assembly.; Injection-molded, engineering grade, 5VA flame retardant, high-impact resistant, thermoplastic in white or black finish.; Suitable for wall or ceiling mount.; Universal knockout pattern on back plate for surface mount.; Dual 120/277 voltage standard. Optional dual 120/230 voltage available.; Unique bi-color LED indicator light alerts occupant on battery condition (Green-normal, Red-check battery).; 3.6V long life, maintenance-free, rechargeable NiCd battery.; Internal solid-state transfer switch automatically connects the internal battery to LED lamp heads for minimum 90-minute emergency illumination.; Fully automatic solid-state, two rate charger initiates battery charging to recharge a discharged battery in 24 hours.