Performance of product：
1. Automatic deliver, uniform anesthetic delivery;
2. Perfectly combine the needle-holding with the one-click operation, matched with the doctors' habits;
3. Three-speed level optional ; No foot pedal ; One-click operation;
4. The center of gravity is at the wrist , make it more stabilize when the needle pierce the skin ;
5. Small size , light weight and easy to carry;
5. Standby time of built-in rechargeable lithium battery is more than one month;
6. Compatible with 1.8 ml cartridge anesthetic ;
7. Compatible with both inch and metric thread needle;
8. No pipeline and other consumables to save the cost and reduce anesthetic waste.