We had a corded vacuum, bulky but worked well for a couple of years, then the cord began twisting and as hard as we tried to prevent that, it continued to get worse; when we saw this one, we were intrigued and to our delight, this product is really good. No cord to worry about and it is much lighter in weight. Only problem, we have to remove from the pool each day and recharge. put back in the pool every morning but we do love that it works well and our pool looks much cleaner. Amazing at the amount of particles it picks up - not even seen by the naked eye. We recommend. Our pool is a medium size pool 4.5' at it's deepest. Good buy!