Nauticus - Round 10" Wet Location Bulkhead - White Finish - Frosted Glass Shade Requires 1 x 100-watt A-19 shaped E-26 base Incandescent bulb (not included) - 120Voltage Included Backplate measures as 9.5"Dia. x 1" Thick UL certified in compliance with nationally recognized product safety standards Suitable for outdoor and indoor locations