automatic dry herb grinder: made of zinc 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 a 2-second protection device if stuck, automatically turns off and requires switch reset. portable to carry: electric mini compact size and lightweight design, small enough to take with you. Sleek, portable design for easy portability and grinding on the go. multiple uses: suitable for grinding spices and some kitchen ingredients. Can grind pressed powder to allow reuse. Can also be used for various non-prohibited purposes. note: for safety reasons, the factory battery charge is 30%. Please charge it in time. 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: light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allowed error is +/- 1-3 cm.