High Quality NEW!!! Colour temperature: Soft White 3000K Bulb base: E26 Bulb shape size: A21 Average life: 30,000 hrs Light type: LED Style: Modern Voltage: 120V Wattage: 18W No-flicker No noise CRI>85 No harmful elements such as mercury or xenon 3-Way LED Bulb - 3 different light outputs from 50W-150W. More energy efficient than traditional incandescent light bulbs, saving 85% energy. Adjustable Brightness - 3 levels brightness; Brightness of 1850 LM is more suitable for working & dark place; 1250 LM ideal for reading & writing activities; 600 LM is suited best for the bedroom. Wide Application - Suitable for your table lamp, floor lamp, desk lamp, living room, bedroom, etc. Not compatible with dimmers (will cause noise). Conventional switch (only show one brightness-1850lm) of your home. Needs to pair with the 3-Way dimmer switch to use.