1.microscope fluorescer lamp 2. microscope ring lamp 3. power:8 W Microscope Fluorescent lamp Microscope ring lampCompact structure, nice looking, low heat, soft lighting1.All- ... retarding.3. Using high quality electronic component, because of the ring design, illumination section have no shadow.4. The maximal ... 8W. Input voltage: 110V/220V/240V, you can choose. microscope ring lamp fluorescer lamp