NINGBO SONGROCK TECH. CO., LTD. / 2022-06-09
=== Base Info ===
=== Description ===
Battery | Adapter | Revolving speed | Torsion | Buzzer alert |
7.2V/1400mAh | 100V~240V 0.8A 50Hz/60Hz | 200~600rpm | 0.6~4.0N.cm | The buzzer will alert when the file is less than 2mm closed to the apex |
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