Features and Benefits: • Applications: Hospitals, Offices, Schools, Showrooms, Warehouses, Malls, Interior Buildings. • Aluminum housing with the high-grade acrylic panel. • AC "ON" LED indicator. • Easy Installation Several mounting methods. • 120V/277VAC Dual voltage operation. • Low energy consumption. • Maximum 24 hours for full recharge time. • Test switch and charge indicator. • Built-in 3.6V 600mAh Nickel-cadmium battery for a minimum of 90 minutes.