This coffee grinder makes fresh coffee for coffee lovers.No battery, power supply is required to operate the portable coffee grinder, so you can travel with fresh coffee beans when you are out camping or traveling outdoors.Versatile: This grinder can also chop nuts to enhance your salads or make delicious homemade cookies, chop herbs and spices to add freshness to your meals.Product name: coffee grinderProduct material: wood, stainless steel handleProduct color: wood grain colorGrinding core: cast iron grinding coreProduct size: 7x19cmTop bean storage capacity: 25gPowder bin capacity: 50gScope of application: Suitable for home, office, coffee bar, etc.Included: Coffee Grinder x1Precaution:1. Due to the difference between manual measurement and display, the size will have an error of 0.5-1cm, and the color will have a slight color difference. Please refer to the actual product received. Thanks for your understanding.2. Never fully tighten the grinding screw.3. Hold the grinder and spin the handle clockwise slowly to grind beans.(Do not spin the handle counterclockwise.)