LED Light Technology so you never miss a hairBuilt-in safety guard on blades to help protect the skinExtendable HandleConvenient cordless designUse in short feathery strokes while holding at 45 degrees angle3 Interchangeable comb : 1",25mm(#8), 3/4",19mm(#6), 1/2" 13mm (#4), 1/4"6mm (#2), Blade Guard.Removes peach fuzz, exfoliates, removes, and smoothens Powered with 1 x AA Battery (not included)