Multi-Focus Headband Magnifier has all the features you will find in more expensive Headband Magnifier units.This lighted head magnifier is very handy, and is FULLY TESTED BEFORE SHIPMENT.· The magnifying visor has four interchangeable lens head magnifier plates provide different magnification combinations for this head magnifier. · Opthalmic quality lens head magnifier plates reduces eye strain. · Head magnifier may be worn with your eyeglasses. · All headband magnifier units flip up when not in use. · Padded adjustable headband. · Two AAA batteries included. · The magnifying visor is well made.· The magnifying visor has Four powers(1.2x,1.8x,2.5x,3.5x) · Head magnifier has a swivel light.Multi-Focus Lighted Headband Magnifier has a light affixed to the visor, which rotates to provide suitable lighting. Two AA batteries includedHEAD MAGNIFIER PLATESFour separate head magnifier lens powers -(1.2x, 1.8x, 2.5x ,3.5x)1.2x@ 20in1.8x@ 14in2.5x@ 8in3.5x@ 4in