Amazing Automatic Injector Pen

the automatic injection pen presses against the skin and then slowly advances to inject automatically. The needle is extremely fine and painless

1. Separate the housing and injection component

2. Insert PFS into the housing

3. Press PFS deeply into the pen cap

4. Insert the injection component into the housing,Assembly completed

5. Pull off the pen cap

6. Press down against the skin and start the injection

7. There will be a sound once starting injection

8. There will be sound once injection completed. Wait a few seconds, then pull out the injector

9. The injector can not be injected once again after being pulled out

10. Install the pen cap

11. Injection completed

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