... 100-240 VAC, 50HZ—60HZ.How to useFirst ensure the power switch of the sharpener is disconnected; then connect the adapter and power supply; last ... is shown in picture 5, marked with “1”, please refer to the sharpening method of T1030D.Coarse sharpening part is for putting ... is shown in picture 5, marked with “2”, please refer to the sharpening method of T1030D.Under normal circumstances, it is suggested ...