Fitryo LED Lighted Slide-out Aspheric Magnifier - Batteries Included - Make Reading Easy with This Portable Magnifying Glass - Easily Portable Pocket Magnifier with a Protective Sleeve LED-lighted aspheric magnifier has a 4X power with a slide-out sleeve protector for the LED light Batteries already included; which power up the LED light Crystal-clear acrylic aspheric lens magnifier, allowing for a clean and sharp viewing Measures 1.7 x 0.7 x 4.4 inches; Easily portable. Can carry in your pocket, purse, bag Great for reading in the dark or just to enhance the material you are trying to see