Neewer 75W 18 inches Cool White and Energy Saving Circular Fluorescent Bulb for Neewer Camera Photo Video 18 inches 75W… Price: $35.28 (as of 03/08/2021 15:44 PST- Details) & FREE Shipping.

17.5 inches/ 44.5 centimeters ring fluorescent bulb for Neewer ring flash light
75 Watt (Equivalent to 600W on an incandescent one) light source
Color Temperature 5500K; Rated Life: 12000 hours; Constant current drive; Low power loss