... lamp 3. power: 6.5 W Microscope Fluorescent lamp Microscope ring lampCompact structure, nice looking, low heat, soft lighting1.All-in- ... retarding.3. Using high quality electronic component, because of the ring design, illumination section have no shadow.4. The maximal joint ... 6.5W. Input voltage: 110V/220V/240V, you can choose. ring fluorescer microscope lamp