Bottle system for indoor plants
To keep your potted plants watered, there are sprinklers to use with simple plastic bottles. These sprinklers distribute a calibrated quantity of water over several days. With this system you don't need electricity or connections. You can usually adjust the water output to best suit your plant.
The automated system for interior and balcony
If you want to always have beautiful plants without the worry of having to water them every day, you will need a system to help you. The automated ones are certainly the most efficient. These systems are designed to deliver the right amount of water and eliminate any waste. Usually they include a tank to make the system completely autonomous for up to four weeks. Choose the daily watering schedule and change it whenever you want.