Philips BEARDTRIMMER Series 3000 BT3208/13, Washable, Oil-free maintenance, AC/Baterry, Black Philips BEARDTRIMMER Series 3000 BT3208/13. Minimum hair length: 0.0197" (0.5 mm), Maximum hair length: 0.394" (1 cm), Cutter width: 1.26" (3.2 cm). Product color: Black, Blade material: Stainless steel. Power source: AC/Baterry, Operating time: 45 min, Battery type: Built-in battery