Flow Controllable: Set watering duration for 1–15 days or longer, depending on your needs—no complicated setup required. Upgraded design features enhanced sealing to prevent clogging from sediment, ensuring reliable drainage and preventing overflow that could damage your plants or container. Easy to Use: Compatible with standard plastic bottles (e.g., Coca-Cola, Pepsi, Aquafina) having an inner diameter of approximately 1.1 inches. Simply drill holes in the bottle bottom or cut the bottle, then attach the included adjustable flow valve to precisely control water release rate—ideal for short or extended absences. Multi-Scene Application: Suitable for indoor and outdoor use—including homes, offices, gardens, patios, and balconies. Works with potted plants, houseplants, patio containers, hanging baskets, desktop planters, and outdoor gardens. Eco-Friendly & Durable: Made from high-quality ABS plastic—non-toxic, safe, and environmentally responsible. Shipping: All orders ship within 3 business days after payment confirmation. Delivery typically takes 8–12 days, subject to carrier and location. Customer Support: Have questions? anytime—we respond within 24 hours. Thank you for shopping with us!