Brand - Goldmaster; Model - GM-8112; Mains or charging Mains/Charging/Rechargeable battery Can be used without being mains- Yes; Interchangeable head - Yes; Head that can be washed with running water - Yes; Number of combs - 6; Cleaning brush Yes; Charging time - Other - Overload protection (for battery); LED screen for cutting lengths (shows 0.8 / 1.5 / 2.2 / 2.8); LED indicator for battery level (10/20 /… / 90/100%); LED indicator for charging status;