Philips BEARDTRIMMER Series 3000 QT4019/15, Oil-free maintenance, Black, Red Philips BEARDTRIMMER Series 3000 QT4019/15. Minimum hair length: 0.0394" (1 mm), Maximum hair length: 0.709" (1.8 cm), Cutter width: 1.26" (3.2 cm). Product color: Black, Red. Operating time: 35 min, Battery type: NiMH, Charging time: 10 h