PH LAMP TORNADO T2 15W E27 WWChoose Philips Tornado energy saving light bulbs for state-of-the-art technology offering superior brightness in an extra-small spiral shape. Provides extra energy-saving brightness.Specifications:Cap-Base: E27 [E27]Nominal lifetime: 8,000 hour(s)Switching Cycle: 5,000Rated Lifetime (Hours): 8,000 hour(s)Lighting Technology: Compact Fluorescent IntegratedEnergy Consumption kWh/1000 h: 15 kWh