Magnifier with LED Light Pull Type This pocket size magnifier features a 21mm lens offering 20X magnification with single LED light that automatically comes on when pulled open and shuts off when closed. Measures 2" x 1-1/2" closed, 3-1/4" x 1-1/2" open. 3 LR113 batteries included. Ideal for watchmakers, clock makers, jewellers and collectors.