8 Pack Self Watering Spikes, Automatic Plant Irrigation Drippers, Plastic Self Watering Device with Adjustable Control Valve for Indoor & Outdoor Plants and

【Hassle-Free Plant Care】:Keep your indoor/outdoor plants hydrated effortlessly with these self-watering spikes! Simply insert them into the soil near your plants, and they’ll gradually release water—no daily watering needed. Perfect for vacations or busy schedules, ensuring your plants stay healthy even when you’re away. 【Adjustable Flow Control】:Each watering spike features a customizable flow valve, allowing you to set the drip speed (0-60 seconds per drop) for precise hydration. Adjust based on your plant’s needs, providing consistent moisture for 3–20 days without overwatering. 【Universal Bottle Compatibility】:Works with most standard bottles (0.72"–1.1" diameter), including soda, water, and wine bottles. Easily upcycle empty bottles into efficient plant watering systems—eco-friendly and cost-effective! 【Versatile for All Plants】:Includes 4 orange + 4 blue spikes, ideal for potted plants, garden beds, hanging baskets, terrariums, and office greenery. Suitable for both indoor and outdoor use, keeping your plants thriving in any setting. 【Quick Easy Setup】:No tools or drilling required! Just attach a bottle, insert the spike into soil, and adjust the drip rate. For best results, test the flow before first use to ensure optimal watering speed.