| Max rotational speed：1200rpm; |
| Stepless;offer reversing choice; |
| To clamp drill bit for φ0.4-4mm |
| Green Batteries; 7.2V |
| Host powerful; Siamese Closed back cover. |
| whole machine can be autoclavable. |
| Complete Set: One motor,one key,two batteries,one charger,two separate sterilize channel |
