GRAIN MILL WITH UPGRADED SAFETY LID – Open-Cover-Stop type grain grinder will automatically stop operation when its lid is opened, largely enhancing and protecting the user from injury. There is induction switches in the buckles on the both sides, which make the machine get started only when the lid is closed completely. So if the grinder cannot turn on the first time, please adjust the lid like steps in image 5. HAND-HELD IN SMALL SIZE – Power: 1500W; Capacity: 300g; Speed: 28000rpm; Grinding Fineness: 70-300 mesh; Except extremely hard material takes 2-3min to grind, normal grains only needs 30s to be ground finely, so don’t use it for too long. It takes 5-10 minutes to rest after every 3 minutes of work. NOTE: The material recommended to grind time must cover the long blade in the middle and NO MORE THAN 2/3 of the tank. 1/2 of the tank is the best. ONLY DRIED MATERIALS APPLICABLE – The grinder can deal with various dried materials, including? Grains (soy, corn, barley, rice, wheat, oats, rye, peas, mung beans, coffee beans), ? Spices (star anise, fennel, pepper, cinnamon, rosemary)? Herbs (ginseng, astragalus, medlar gelatin, gastrodia, Shijie, Ganoderma lucidum) When using machine to grind panax notoginseng, Chinese medicine and other tough items, please slice them to small pieces first. OVERLOAD PROTECTOR & 0-5 MIN TIMER SWITCH – When grain grinder is in an overloaded/overheat state, the overloaded protector will work automatically to stop the operation. It’s easy to solve by replacing the carbon brushes on the both sides and then pressing the overload protector again, then the grinder could work well. IMPORTANT ATTENTION – 1. Our grinder can only be turned on after the lid is fully buckled. Please the steps of How to Close Lid on manual, video or listing image 5. The materials ready for grinding must be DRY enough. Rest the machine for 5-10 minutes after every 3 minutes operation. We will provide you with the best products and services. If there is anything we can help with, warmly welcome to us. & PROFESSIONAL SERVICE – All grain grinders enjoy 1 year and professional after-sales service. Materials with HIGH OIL CONTENT like peanuts, walnuts are not suggested to be ground as they may stick to the blades when grinding.