Planter pot on wall

Self-watering flower pot is the best choice under these sitiuation. Self-watering flower pot can solve all above problems,
it makes us no worry about plant watering everyday when we are outside on business trips or vecation,
How does the self-watering flowerpot work? why does self-watering flowerpot have so many advantages?
The First,there is a water storage part at the bottom of the self-watering flowerpot,it can supply water accordinly and continusly for 2-8 weeks,we can travel or on business trip without worries.