Product details:

The Daylight D25200 Halo Table Magnifier is a modern and compact, all-purpose, lightweight table magnifier. It provides 5 diopter (2.25X) magnification with a 12 diopter (4.0X) inset lens. - This magnifying lamp is slim and has a compact design, measuring only 33cm in height. It is also foldable, making it ideal for travelling. - The Daylight LEDs provide high contrast and accurate color matching. - Lamp brightness: 4,000 Lux at 15cm (6in). Main lens is rotatable allowing you to position the inset lens where required. - Three brightness levels.9cm (3.5in) diameter lens with 5 diopter (2.25X) and 12 diopter (4.0X) inset lens. This won't affect the functionality of the products.