Electric stainless steel grinder for coffee, spices and herbs with a capacity of 1 kg and amax power reaching 4000w Sharp and sharp blade reaching a rotation speed of3200 rotation per minute Able to grind all kinds of grains into fine powder at 80/300 meshBuilt-in timer to adjust the fineness of grinding by setting the time The body of the machinecan be set to swing which is helpful for pouring the powder contents easily to theplace to pick it upAutomatic shutdown system if the lid of the device is opened while it is runningThe lid has a silicone layer to allow an airtight closure withoutleak