1. Turn on the resistance sensor and stop automatically with one click, set the resistance sensor in the grinding chamber, and automatically cut off the power after grinding. 2. The thickness moves with the "core" and can easily be used with utensils. Adjust the knob according to needs to meet different coffee needs. 3. Powerful large-capacity lithium battery, 1500MAH lithium battery, strong endurance 4. Rinsing and cleaning is easy and effortless. There is no residue after rinsing. The beans are ground pure every time. 5. Separate design of rotating lock, easy to operate, and the lock status is clear at a glance Material: ABS+stainless steel colour: Black+White Package Contents: 2 x Coffee bean grinder with Cable 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.