Philips Series 3000, Fast and Precise Beard Trimmer, with Self-sharpening Stell Blades, and Lift and Trim technology - BT3233/15. This trimmer with the innovative Lift & Trim system lifts and captures more lowlying hairs for efficient, even trimming results. This way you will easily achieve the 3-day stubble, short beard or long beard look you want. Features Self-sharpening steel blades, Lift & Trim system, 60 minutes cordless use and 1 hour charge.