General description Automatic irrigation system designed to deliver water directly to plant roots, eliminating the worry of forgetting or unattended irrigation. This kit includes 12 adjustable watering drippers, making it a great solution for indoor and outdoor plants during short vacations. Technical specifications Number of pieces: 12 Adjustable water flow: 0-60 seconds per drip Slow drip duration: 1-15 days Suitable bottle lid internal diameter: 20.65mm to 22.5mm Dimensions: 15.6 * 2 cm Compatibility and accessories Fits most beverage bottles, including Pepsi, Coca-Cola, and Deet-Cola Installation Easy to install by drilling holes in the bottom of the bottle or cutting the neck of the bottle for air circulation Usage Ideal for various plants including vegetables, indoor and outdoor gardens, hanging plants, small trees, shrubs, potted plants, herbs, and hanging baskets