Modes:Electric pencil sharpener has two modes, electric mode, and manual mode. Electric mode is powered by 2 AA batteries (not included). When you put a pencil in and hold it, the pencil sharpener starts to work. If we can't have batteries outdoors or the batteries are low, we can easily move the button OFF and change to manual mode. Children can find interest in their own operations and then love studying. FAST OPERATION: This Heavy-duty Electric Pencil Sharpener features a high-quality helical steel cutter which is good enough to get a well-sharpened point. Portable electric pencil sharpener, auto work when inserting the pencil and handhold it, it will auto sharpen the pencil to stoping you want pencil point. The process needs about 4-5 seconds. Safe Device: electric pencil sharpener top has a safety lock when right moved it can lock that children can't open, and it can protect children's safety. Turn left can unlock that can easily replace the blade and clean shavings. The design of pour shavings up to avoid making hands dirty and can easily pour. Fast Sharpen Standard 6-8mm Pencils: The electric pencil sharpener can quickly sharpen all kinds of 6-8mm pencils (expect soft pencils). It can sharpen NO.2/Colored pencils and even hard charcoal pencils. electric pencil sharpener crafted from high-quality materials gives you up to 3000 rounds of sharpening without wearing out. Great Gift: This electric pencil sharpener is very portable, whether you are an artist, teacher, student, or businessman, the twin pencil sharpener is the best choice for you.