The MT-55, FreeStand™ is a 2.5x power LED lighted loupe. It has 4 super bright LED lights and an acrylic lens. The on/off switch is located inside the base of the loupe. Once the switch is in the “on” position, the LED lights can be turned on and off by pressing down on the top of the loupe. The FreeStand™ is the perfect magnifier for reading fine print. Us the included microfiber cloth to clean the lens. Uses 2 CR2016 batteries (included).