magnifying lamp -GS,CE,RoHS,UL -Lens material: glass -Lens size: 3.5" -Diopter: 3 diopter +12 diopter magnifying lampLens material: glassLens size: 3.5"Diopter: 3 diopter +12 diopterVoltage: 110V-120V / 220V-240VLight source: 12W circular florescent lampSupplied with electronic ballastStandard mount: table baseColour avaliable: white, black, light grey Magnifying Lamp