automatic dry herb grinder: made of aluminum alloy, 15,000 RPM, 600 mA battery powered grinder with stainless steel blades that grind to fine or coarse consistency according to your needs in seconds. Saves time compared to manual grinding. automatic grinder: features a two-direction rocker switch. Not suitable for hard nuts, shells, peppercorns or beans. Holds up to 2 grams for easy one-handed herbal preparation. Includes 2-second protection device if stuck, automatically turns off and requires switch reset. portable to carry: compact, lightweight design makes it small enough to take anywhere. Sleek and portable for convenient on-the-go use. multiple uses: suitable for grinding spices and certain kitchen ingredients. Can also be used to reprocess pressed powder. Ideal for various non-commercial applications, including social gatherings. note: for safety reasons, the factory battery charge is set to 30%. Please charge before first use. color: black material: aluminum alloy package contents: 1 x grinder 1 x USB cable 1 x English manual only the above package content, other products are not included. note: due to light reflection and display differences, the color may vary slightly from the actual item. Measurement error allowed is +/- 1-3 cm.