This is a great magnifier for industrial purpose circuit board and printing industry medical science?gardening coins and stamp education geography house living and offices. The magnifier is with 2-LED illumination for seeing clearly in the dark. The magnifier is compact and portable design for convenient use. - Great magnifier for industrial purpose circuit board and printing industry medical science gardening coins and stamp education geography house living and offices - With two LED illumination (3*LR927 Battery included) - Comes with English user manual