KingCool Touch Sensor Kids LED Eye Care Desk Lamp Light with Adjustable Gooseneck Meet eye care light temperature. Hight technology offer radiation-proof is even safer than your smartphone, TV, PC avoiding any hurt to your health Touch sensitive control to control the brightness of the LED desk lamp Automatic memory- Light intensity setting retention. The last setting is retained Built in lithium-ion battery allows 5+ hours working time, battery life span is more than 10+ years of normal use Stepless light adjustment and high energy-saving function--long-time touch adjust the light level as you need