3-way reliable rotary control features let you adjust the light you need with just a turn of the switch. Simply turn the rotary switch and you will put this lamp through its paces of low-medium-high-off. Available in ivory, silver, cream/silver, black and brown. This lamp is a 3-way Rotary Switch, requiring a 3-Way Bulb to function as intended. If a Standard Incandescent, CFL or LED bulb is used, the lamp will still work but the 3-way control function will not. This item does not ship to Puerto Rico.