Magnifying lamp Material: glass Size: 3.5" Diopter:3 diopter/8diopter 100-240V,60pcs Led, 3.5W ODM/OEM lens material:glass, lens sizes 3.5"Diopter:3 and 8Supplier with switch powerInput voltage 100V/240VLED lamp or fluorescent lamp availble R-23162 3.5" Electronic Ballast Magnifying Lamp