3 Way Light Bulbs: A19 3 way bulbs with 4/8/12W three power Settings, which are equivalent to 40/60/100W of incandescent bulbs. This allows you to switch between three brightness levels, providing suitable lighting for various scenarios. Enjoy more energy-efficient and comfortable lighting options in your daily life Energy-Efficient & Long-Lasting: Replace 40/60/100 watt incandescent bulbs with 4/8/12 watt 3 way LED bulbs. These bulbs offer up to 15,000 hours of bright, reliable light while generating minimal heat, saving over 85% in energy Premium Quality Lighting: Tjoy 3 way light bulbs have passed UL certification. They are made with high-quality, mercury-free, UV-free, and flicker-free materials. With a high CRI of 85+, they enhance the natural and realistic colors of objects, making them ideal for floor lamps, table lamps, and desk lamps 5000K Daylight White: 3 way light bulb emits a bright, clear lighting, ideal for living room, bedroom. The lighting is gentle, comfortable, and closely mimics natural daylight, creating a bright and inviting atmosphere for your home life Important Note: 3-WAY LIGHT BULBS can be used only with 3 way lamp socket light fixtures. Do not use with touch lamp, dimmers or conventional switches, which may cause noise or flicker. When used with conventional switches, the bulb will only provide a medium brightness of 1500 lumens Safety & Service: Our 3 Way bulbs are UL and FCC certified, if you have any questions about our bulbs or if you are not satisfied with your purchase in our store, please contact us and we will respond to you within 24 hours TJOY 3 Way Light Bulbs 40 60 100 Equivalent Daylight White 5000K, Standard A19 Three Way Light Bulbs E26 Medium Base, 4/8/12W Energy Saving UL Listed for Floor Lamp, Desk Lamp and Table Lamp, 2 Pack