The Lily LEDX adjustable arm desk lamp has a continuous dimming option with memory that will illuminate at the previously set level when the lamp is turned on. To increase or decrease the brightness, simply press and hold the power button and release when the desired level is reached. It also has an adjustable arm, adjustable shade, USB port for mobile device charging and an automatic energy saving mode that will turn the lamp off after six hours of continuous use. It is available in different colors and comes with a 15 year structural warranty and a 1 year warranty on the LED/Transformer.