About the product: 1: More safety: Abandon the traditional pencil sharpener, reduce the damage of the pencil sharpener opponent, and provide a seat belt environment for your use. 2: Easy clean: Pencil sharpeners are safer, but the cleaning of the pencil shavings creates problems. This product is simpler and easier to clean. 3: Labor-saving: The automatic pen-shaving mode eliminates the traditional manual method and saves time and effort. Note: Children under the age of three should be used under the supervision of adults. FAQ(Frequently Asked Questions)： Question: Does this sharpen colored pencils? Answer: friend, this light-duty electric pencil sharpener can sharpen No.2 Pencils, Colored Pencils, Eyebrow Pencils, HB & 2B to 4B Carbon Pencils and so on. Question: Do you have to grip the pencil tight? Is it easy enough for a 6-year-old to use? Answer: No, they don’t have to grip it tightly. My other sharpener was awful, this one is amazing! Question: Can you get replacement blades? Answer: Yes, it comes with a replacement blade, one of which is powerful and still in use. Question: Just received my pencil sharpener. it works great. but can't seem to figure out how to replace the blades in it. is there a manual? Answer: Yes it came with a manual, just pull the blade out firmly, then place the new blade in firmly. No twisting just good hard pull. Hope this helps. Question: About how long will a set of batteries last? Answer: It really depends on how often you use it. I would say 6-8 months if you use it every few days. I use the Amazon batteries in mine, so I don't know if it would be different with other brands.