Interesting product that seeks to end the great pollution that exists today in the seas or rivers when you pull the chain and they go to them, the best of all is that it is an ecological solution that proposes to stop all this, through a system that converts the poop or urine into a rich fertilizer that you can use later. All this happens through a system that uses the Sun as the main source of energy, in addition to being a fully automatic process. Simply wonderful.