Philips BEARDTRIMMER Series 5000 BT5205/85, Built-in display, Washable, Maintenance free - No Oil need, AC/Baterry, Black, Silver Philips BEARDTRIMMER Series 5000 BT5205/85. Minimum hair length: 0.4 mm, Maximum hair length: 7 mm, Step precise: 0.2 mm. Product colour: Black, Silver, Blade material: Stainless steel. Power source: AC/Baterry, Operating time: 75 min, Battery type: Built-in battery