The handy magnifier lamp helps you catch every detail of your arts and crafts ... , 5 diopter, 8 diopter available Light Source: circular T9 22W fluorescent energy-saving bulb Power Supply: 110-120V/220-240V/100V ... to 6.35 cm) Optional Mount: table base, floorstand, wall bracket, etc. Colors Available: white, black, silver, etc. Electrostatic discharge safety ...