How to Use: 1. Pull out the powder bowl and adjust it to the required grinding thickness in the middle of the main body. 2. Fasten the powder bowl, open the upper handle cover, and pour coffee beans from the top. 3. Close the lid, hold the metal main body in one hand, and shake the handle in the other hand to grind. After grinding, pull out the powder bowl and pour out the coffee powder. Specification: Item Type: 2 in 1 Coffee Grinder Weight: Approx.5500g/194oz Power Output Voltage: 29.4V-2A Color: Black Machine + Black Grinder Machine Size: 30.5x24x10cm/12.0x9.4x3.9in Grinding Machine Size: 18.2x5.5cm/7.2x2.2in Material: Aluminum Alloy + Stainless Steel + Beech Battery: 18650 Lithium Battery 7S1P 2600mah (included) Grinding Fineness of Coffee Beans Grams Needle Indication: 1. Italian Type Coffee 1-3 Grids 2. Hand Brewed Coffee 4-6 Grids 3. French Pressure Pot 8-10 Grids Package List: 1 x Grinding Machine 1 x Pulverizer 1 x Hand Grinding Rocker 1 x Brush 1 x Power Supply 1 x Power Cord 1 x Manual Note: 1.This equipment is only designed to grind roasted coffee beans, please do not grind other items. 2.It is recommended to use a brush to clean the equipment, do not wash it with water. 3.The edge of the grinding core is relatively acuminate, please pay attention to avoid scratches. 4.Do not allow children to operate this product. 5.Store this product in a dry, shaded environment. 6.It is not recommended to disassemble or replace the grinding core and other internal parts by yourself. If you have special requirements, please do it under the guidance of relevant technical personnel.