1. It can be Single Use or Reusable product. The collection jar is single use and the rest of material can be single use or reusable.
2. This device is really light which can powered with one hand operation, and leaving the other hand free for different tasks.
3. This device is equipped with an overflow protection mechanism which will engage once the collection jar is filled. It is not possible to continue squeezing the handle once the collection jar is full.