A 3-way LED bulb offers three different brightness levels in a single bulb. To use this feature, you need a 3-way light socket. This type of socket allows you to use a 3-way light bulb, which has two filaments that can drive different currents and produce three different brightness levels: low, medium, and high. By turning the switch on the socket, you can choose between these brightness levels.
LED A21 SMD light bulb Medium Base(e-26)
Adjustable Lumen 800/1800/2610lm
IMPORTANT: USE THIS BULB IN 3-WAY SOCKET FIXTURES, THIS BULB WILL NOT FUNCTION AS INTENDED IN STANDARD SOCKETS.
Saves $98/154/236 USD in energy costs over the rated life (16500 hours) of the bulb compared to a 60/100/150-watt (1,000 hours) incandescent bulb.
Lasts for 16500 hours, so you will not have to worry about frequent replacements
2700K color temperature provides a soft white glow
Rated to last 15 years based on 3 hours per day use
UL listed for damp locations, for indoor or enclosed outdoor use
Selectable Wattage 6W/15W/20W