Designed For Made of quality flameretardant materials for safety and durability Heat resistant and capable of handling up to 660W wattage appliances and bulbs Voltage range 110 250V UL Listed for insulation, flame retardancy, and heat resistance Suitable for any room in your home Convenient Pull Chain Control Pull chain enables easy on/off operation Provides instant control over lighting without reaching for the main power switch NoFuss Installation Simply screw this adapter into your existing E26 lamp socket No tools or complicated instructions needed An easy and affordable way to expand your power options Use Scenarios Bedside lamp for convenient reading and lighting control Desk lamp in a home office or study for flexible power and lighting Work light in a workshop, studio, or craft area where extra power at the lamp is beneficial