The Smart Go Lamp by Daylight has LED lights that deliver high contrast, accurate color matching and low heat. Equipped with a three-step dimmer which allows you to set the light at the brightness level you desire. This lamp is portable and lightweight allowing you to take it anywhere, anytime. With an internal rechargeable battery that gives up to 6.5 hours of light your lamp will always be charged and ready to go! Includes a USB adapter. Measures: 10in x 3in x 3in.