9 inch diameter magnifying lamp head (23 cm) has handle
a circular 22 watt fluorescent bulb surrounds inspection magnifying lens
large viewing area 3/5/6/8 diopter glass magnification lens is 5 inch in diameter (12.7 cm)
spring balanced arm has a 38 inch maximum reach (96.5 cm)
base clamp secures to any flat surface from 0.5 to 2.0 inches thick ( 1.27 to 5.08 cm)
power supply: 220V/110V AC