Proprietary exclusive OttLite ClearSun LED reduces eyestrain by 51%. Provides smooth, uniform light with Color Rendering Index (CRI) of 95+ for excellent color accuracy. Attach rechargeable light to magnetic swivel joint on lamp stand or clip. Can be used as a handheld light. Dimmable with touch controls. Lamp shade swivels and holds position on strong magnet. USB charging cable included (adaptor not included). Lamp stands 14.5 inches tall.