Easy battery installation. 5x magnification. Ideal for reading small text, and for detailed observation of photos, coins, stamps, etc. Equipped with 3 LEDs for brightness. Lights on with a push of a button. (There is a main power switch under the magnifying glass to prevent accidental activation of the switch and to conserve battery power. Please turn on the main power switch before use.) Easily moved to a position and angle that is easy to see with one hand. Satechi Japan official retailer.