1. Motor rotation speed: 5600 revolutions per minute (r.p.m.)

 2. weight: 165 gm

 3.Length: 20.8cm 4. Color for handle available: yellow, pink, white, green

 5. Color for control panel available: yellow, white, green.

 6. Materials: Brush handle and brush head are made by food level standard

 ABS +over-steel .

7.Brush wire is made by food level standard Dupon nylon and grinded, to form a round shape at the end of wire and make sure the gum won't be hurted

 8.Power supply: 3V (two size AA batteries)

 9. Waterproof: yes, due to the two sealing O-rings have been used to prevent water. 10. Rotation angle: 60 degree