1)BATTERIES REQUIRED: this brush cleaner needs 2 triple A batteries.
2)FITS ALL YOUR BRUSHES: 8 different sizes (3mm, 5mm, 7mm, 10mm, 15mm, 18mm, 24mm, 30mm) to fit different kinds of brushes, suitable for the vast majority of makeup brushes in the market.
3)EASY TO USE: Just 3 steps easily to use this electric make up cleaner and dryer. 1.Attach the brush to the spinner. 2.Pour water and soap into the bowl. 3.Dip & spin to clean, raise & spin to dry.