1 ** Updated Version: 5th generation newly aluminum metal alloy portable kitchen small electric grinders. 2 ** Fast Grinding: stainless steel blade - 20,000 rpm/min high-speed motor - faster grinding, you'll get more time to do other things. 3 ** Longer Life: made of high-grade metal aluminum alloy, high transparent plastic cup, easy to use and clean, act in concert with screen catcher, don't worry about it breaking or broken, friendly great for anyone who had arthritis of the hands. It would be a lifesaver for your hands and arms. 4 ** Led Lamp: press switch for 3 sec to work,blue is on-start grinding,40 sec automatic stop, red is on-charging,green is on-fully charged need 2-3 hours to work 45-65 times. If blade is stuck or energy is low,automatically stop, blue flash 3 times. 5 ** Travel Sized: easy to carry, replace it with these electronic grinders! Get this instead! Saves a lot of time! But not grinder seeds or beans, large or hard of the piece, Do not water washing. It's a great gadget !!!