• Automatic irrigation system with control valve to regulate water flow from 0 to 15 seconds per drop. • Made of durable PP plastic with cold and heat resistance for long-term use. • Compatible with most common bottles with an opening diameter of 2.1 cm. • Provides constant hydration to roots, ideal for holiday periods of between 3 and 20 days. • Simple installation requiring piercing the bottom of the bottle to maintain airflow and inserting the stake into the soil. • Suitable for indoor and outdoor plants, balcony flowers, vegetables, bonsais, and hanging baskets. • Includes 12 adjustable watering devices.