MarsLG&reg; 3-Level Dimmable Flexible Neck Rechargeable LED Desk Lamp 5-Watt, 2443WH LED light source provides natural, non-flickering light for stress free productivity and enjoyment Rechargeable feature makes it possible to use desk lamp away from a power outlet Touch-sensitive on/off and dimming control 3-step touch dimming Long life of ~30,000 hours, 1-year warranty