Brand - Goldmaster; Model - GM-8132; Mains or charging Mains/Charging/Rechargeable battery Can be used without being mains- Yes; Time that can be used with charging - 2.5 hours; Interchangeable head - Yes; Head that can be washed with running water - Yes; Number of combs- 4; Cleaning brush Yes; Charging time - 2 hours; Other- Anti-slip design, Charging indicator light 4 shearing combs (3,6,9,12 mm) Can be used even without power. There are combs and scissors.