... lamp 1)3.6w, 300LM ,50LED 2)external power 3)with base or clamp LED LAMP LED guards against the shortsighted ... intelligence desk lamp merit: 1st,the white light illumination,ceases the leaming color sensation light to be Weary. 2nd, the direct-current ... joint spot,the senior citizen penetrates the glare under the magnifying glass to look the medicine bottle small character very is also ...