The MB-LEDB Lighted Magnifier is a handheld magnifying lens designed for use by individuals with low vision. This square magnifier offers 2X magnification through its distortion-free lens. It has a built-in light emitting diode (LED) light for use in dark spaces and an ergonomic grip. The magnifier pulls out from the grip to reveal and activate the light. The MB-LEDB is available in black, blue, purple, and red. POWER: Uses 2 button cell batteries (included). DIMENSIONS (LxWxD): 5.5 x 2 x 0.75 inches. WARRANTY: Limited lifetime warranty.