Flow controllable: You can set watering duration for 1-15 days or more depending on your needs, with no complicated setup. The upgraded design is more sealed, preventing the automatic watering system from being blocked by mud, ensuring consistent water flow and avoiding overwatering that could damage plants. Easy to use: Compatible with bottles that have a 1.1-inch inner diameter neck, such as those similar to common beverage containers. With no complex installation required, simply drill holes in the bottle bottom or cut it, then attach the adjustable flow valve to control the water release rate according to your watering needs. Multi-scene application: Suitable for indoor and outdoor plants, whether at home, in the office, or in the garden. Creates a self-watering system to maintain optimal moisture levels. Ideal for potted plants, houseplants, patio plants, hanging baskets, desk plants, hanging planters, and outdoor gardens. Economic and high quality: Made from ABS plastic, this plant watering system is a durable and environmentally friendly solution designed for reliable performance.