advantages:

1.Automatic anesthetic push, constant-speed anesthetic injecting, easy to

inject anesthetic while pushing needle;

2. Perfectly combining needle-held operation and one-button operation,

which accords with the habit of doctors;

3. Three grades of speed for you to regulate;

4. Convenient carry with small size and light weight;

5. Built-in charging lithium battery, standby time can be more than 1 month;

6. Compatible with Cartridge anesthetic of any brand;

7. Compatible with inch thread needle and metric thread needle;

8. No consumable of pipe, saving cost of medical department and decreasing

anesthetic waste.