【Automatic Watering】 The automatic watering head is made of high-quality ABS plastic, safe to use, very durable and sturdy. Water storage design effectively prevents water leakage from the bottle mouth, thickened design, strong support structure, and prevents the self-watering equipment from running dry during use. 【Adjustable Speed Design】 The design of automatic sprinklers Plant Irrigation System has a water regulating valve, Because different plants have different absorption rates, you can adjust the traffic to 3 to 20 days or more depending on the time needed, and can prevent overwatering and make plants healthier. 【Easy to Use】 Installed without tools, no need to drill the bottom of the bottle, the appearance is more beautiful, watering is not affected by water pressure. Just tighten the drip irrigation devices, and then insert them into the soil without any nails or danger. Suitable for indoor and outdoor gardens, potted plants, herbs, garden plants. 【Suitable for Most Bottles】