IOTA LED Emergency Driver LED Bulb Type Input Voltage 120 to 277V AC Bulb Watts 10 W Max Bulb Watts 10 W Initial Lumens Fixture Dependent 90 min Emergency Illumination Time CA Title 20 Compliant Yes 15 3/8 in Length 2 1/4 in Width 1 1/2 in Height Standard Profile Steel Housing Material