Energy efficient, long-life white LEDs consuming 4.2W at normal operation. Dual voltage input capability 120/347VAC. Selection of AC/DC, 6 to 24VDC or self-powered using a 3.6V Nickel-Cadmium battery. Automatic, temperature compensated, pulse type charger. Low voltage disconnect prevents over discharge of battery. Automatic brownout protection. Battery lock-out prevents discharge during installation. Comes standard with three pictogram legends for direction selection. Red LED charger monitor. Injection-molded off-white thermoplastic ABS housing. Fast and easy installation with snap-together design. Ceiling, wall or end mount installation.