Features: Push the switch, press and hold the button to work, release the button to stop working, hold down the button the longer grinding time the more fine powder. High transparency food grade bean lid against shock heat, is conducive to observe the coffee powder grinding thickness Stainless steel blade, stainless steel deepened Bottom pad design, porous heat dissipation Note: Remember not to use water to clean The machine can not open the lid during operation After cleaning, clean with a clean brush This product is dry goods grinding machine, do not grinding juicey food Continuous grinding 30 seconds to stop 10 seconds and then grinding to prevent the motor burned