DEWENWILS 3-Way LED Light Bulbs 40/60/100W Equivalent A19 LED Bulbs 2700K Warm White Glow E26 Medium Base 500/1000/1600LM Bright Light Bulbs Non-dimmable ETL Listed 4-Pack

Note: (1) The 3-way bulb is not compatible with dimmers. (2) It will stay medium brightness(1000LM) if being used in lighting fixtures with one-way switch. (3) Do not use it with touch lamps or fixtures with pull-chain switch Specifications - 4/8/14 Watt (40, 60, 100-watt Equivalent) - 500/1000/1500 Lumen - 2700 Kelvin Color Temperature - E26 Medium Screw Base Instant on Zero war-up time, great replacement for CFL bulbs. Once you turn on the switch, the light bulbs light up instantly with full brightness. Suitable for using in totally enclosed lighting fixtures. CRI 80+ The effect of a light source on color appearance is measured in the color rendering index (CRI), on a scale of 0-100. Natural outdoor light has a CRI of 100 and is used as the standard of comparison for any other light source. The CRI of this LED light bulb is higher than 80, close to the sun’s value. Colors are reflected truly and naturally. Energy Efficiency Emit very little heat, LEDs run much cooler than incandescent and halogen bulbs, which greatly increases their longevity and enables them to function in cold temperatures. It uses less power compared to traditional incandescent bulbs Certified to Energy Star.