Specialty bulb offers innovative solutions for a variety of lighting needs. Whether you're cooking or keeping it fresh, this appliance light lets you see it. The bulb is specially designed to withstand high or low temperatures. Rugged filament resists vibration that is perfect for microwaves, refrigerators and ovens. S11 shape with intermediate screw-in base is the right fit for appliances. High-intensity light is designed for use in high-intensity lamps only. The 40-watt bulb lasts an average of 500 hours and provides 440 lumens. Input voltage is 120 volts.