Lightaccents 46510-21 LED Desk Lamp Rechargeable Battery Operated Energy Efficient 7.5W High Performance LED Bulbs, 5" x 5" x 14", Black This LED desk lamp features a 3-stage light level function with the ability to select the Color of the light, choose a warm colored light or a cool white light depending on your needs Completely adjustable: goose-neck arm, point light where you need it and it stays in place Built in timer: select the timer button to automatically have the light turn off, fall asleep reading your favorite book and the light will turn itself off USB rechargeable battery operated: this energy efficient desk lamp runs on a built-in USB rechargeable lithium-ion battery. Power from the battery or any USB source Measures: height: 14 in. Width: 5 in. Length 5 in