Product Specifications:
24-pack self-watering spikes for automatic plant watering. The set is shown in blue and green with an adjustable valve structure. Designed for use with bottles that have an inner diameter of 1.1 inches / 2.8 cm, including the thread size. Not suitable for mineral water bottles or purified water bottles.

Core Features:
Each watering spike includes an adjustable valve to control the drip speed from 0-60 seconds per drip. Continuous dripping can last from 1 to 15 days depending on the setting. Installation is simple and requires no tools. To maintain airflow, holes must be made in the bottom of the bottle or the back of the bottle must be cut open.

Suitable Scenarios:
Suitable for vegetables, potted plants, indoor plants, daily plant watering, patio plants, herbs, hanging baskets, desk pots, hanging plants, outdoor gardens, small trees, and shrubs. Designed for both indoor and outdoor garden use.

Product Summary:
This 24-piece automatic watering set offers a practical way to support regular plant care with adjustable drip control, easy bottle-based installation, and wide use in both indoor and outdoor planting environments.