Perfectly portable, The YoYo Magnifier from The Daylight Company is a compact, fold-able pocket-size magnifying lamp that will brighten up your work with its battery-powered daylight LEDs (requires three AAA batteries, not included). The magnifier has an 8 Diopter 3.0X lens (.5 cm/2.17 in.) and 3 bright daylight LEDs. Extended, this Magnifier measures 6.5 in. (16.50cm) high, and is 3.25 in. (8.20cm) x 2.99 in. (7.60cm) wide/deep. The Daylight Company creates specific task lighting solutions, all remaining true to three guiding principles: light quality, ergonomics and design.