Built-in bayonet is invisible and used to fasten cartridge with the body.
Fine-tuned Speed
Speed can be changed gradually instead of adjusting by level.
DR.PEN A7 is an electric microneedling device that is welcomed by pro users because of the fine-tuned speed feature. The speed of A7 can remain unchanged after restarting. As needle depth of A7 can be changed from 0 to 3mm, A7 is more efficient and useful than traditional derma rollers. A7 powered with DC, which is strong and stable, allows users to work for a long time.
1. Make sure to inspect the device and adapter before use.
2. Keep it with its power off. Wipe its surface out with a dry cloth.
3. Keep it away from direct sunlight or high temperature and humidity.
4. Do not leave the measurement, repair or alteration of the device to non-professional staff.
5. When you use the device which has not been used for a long time, make sure to check if it works properly with safety.
