8609 Magnifier lamp Lenz material:glass Lenz size:7.5″×6.2″ Diopter:3diopter/5diopter Light sources:110V-120V/220V-240V 2×9W/2×2U 13W energy saving compact fluorescent lamp Standard mount:table bracket Optional mount:table base,trolley stand(see P6) The two light sources can be independently switched as aption Lenz coner is available as an option Colour available:white,black light grey