Description:   Microscope Ring Lights Lamps Fluorescents for Digital Microscopes   Features:      The light effect high、 consumes the electricity province、 the color rendering property well、 the long time illumination not weary and so on merits is new generation's ideal green lighting source.  The ring-like tube、 gives off heat few、 the light gentle nature、 the light color is not distorted、 service life is long.     Specification:   Input voltage: 110V-240V Electric current: 280ma Power: 8W Tube inside diameter: 71mm Tube outer diameter: 92mm' Fixed diameter: 60mm、64mm Use: Microscope photo source   Package includes:    1 x Microscope Ring Light   Details pictures: