Philips BEARDTRIMMER Series 3000 QT4015/15, Gray Philips BEARDTRIMMER Series 3000 QT4015/15. Minimum hair length: 0.0197" (0.5 mm), Maximum hair length: 0.394" (1 cm), Cutter width: 1.26" (3.2 cm). Product color: Gray. Operating time: 60 min, Battery type: 2 x AAA NiMH, Charging time: 1 h