It comes in small dimensions that make it quite compact and lightweight.
You have three different options for powering it hence preventing any inconvenience when one power source is unavailable.
Its blades come in helical shape hence are efficient and are also made of steel which makes them durable.
You can program it to achieve different degrees of sharpness on the pencil.
It keeps the user safe as it stops operation immediately the reservoir is opened.
The reservoir case is very small and so will need constant emptying when a lot of sharpening is happening.