Philips MG5920/15, Stainless steel, 0.0197" (0.5 mm), 0.63" (1.6 cm), 0.0394" (1 mm), Beard, Ear, Nose, Battery Philips MG5920/15. Product color: Stainless steel, Minimum hair length: 0.0197" (0.5 mm), Maximum hair length: 0.63" (1.6 cm). Power source: Battery, Operating time: 120 min, Battery type: Built-in battery