LiteGear Emergency Lighting Inverter 120/277V AC Input Voltage 24V DC Output Voltage Number of Bulbs Supported 1 Max Bulb Watts 110 W Fluorescent Incandescent LED Bulb Type SLA Lead Calcium Battery Type Emergency Illumination Time 90 min CA Title 20 Compliant Yes Surface Wall (Up to 1000 ft away) Mounting 11 3/4 in Height 16 3/4 in Length 4 3/8 in Width Steel Housing Material