1Press lightly to sharpen the pen and it will stop after sharpening. 2Stop when opening the lid, safety protection, the knife holders do not rotate when opening the lid. 3The tool holders are replaceable and has a longer service life. 4Adjustable pencil tip thickness, thickening on the left, thinning on the right. 5Dual power supply mode, you can freely choose to be powered by battery or power cord. 6There is nonslip foot pad at the bottom to increase friction and refuse to shake.
