Larson's explosion-proof LED emergency light, No. HALP-EMG-48-2L-LED, can withstand wet and corrosive conditions and provide instant and automatic emergency lighting operation in the event of power failures. This LED emergency light provides an effective safety measure for hazardous locations and will provide 90 minutes of illumination in the event that standard operating power is abnormally cut. Contains two T8 style LED tube lamps that can provide a total of 5,900 lumens of crisp white light for effective illumination of work areas, walkways, storage areas, and any location where less reliable fluorescent fixtures are traditionally used.