LED clamp desk lamp 1)3.6w, 300LM ,50LED 2)external power 3)with base or clamp LED LAMP LED guards against the shortsighted multi-purpose intelligence desk lamp merit: 1st,the white light illumination,ceases the leaming color sensation light to be Weary. 2nd, the direct-current illumination bright like natural light, has not undulated the eye strain which the light causes. 3rd,the intelligent ...