• High-quality materials: Made of durable and reusable plastic, ideal for watering indoor and outdoor plants during holidays. • Compatibility: Includes 15 watering devices suitable for bottles with a 2.45 cm (1.1 inches) mouth, compatible with standard international beverage bottles. • Adjustable switch: Allows adjusting the drip speed from 0 to 60 seconds per drop, providing slow watering from 1 to 15 days, preventing overwatering and promoting plant health. • Environmentally friendly: Uses recycled bottles for the watering spikes, contributing to a more sustainable environment. • Versatility: Ideal for vegetables, indoor plants, pots, hanging plants, and other plants, eliminating the need for daily watering. • Easy installation: No additional tools required and installs in minutes. • Efficient design: The device provides water directly to the plant roots, suitable for most species. • Specifications: Material: plastic; Quantity: 15 pieces; Colors: blue and green. • Package contents: 7 blue spikes, 8 green spikes, 7 blue speed control devices, 8 green speed control devices.