【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 drying out during use. 【Adjustable Speed Design】 The design of the automatic plant watering system has a water regulation valve, as different plants have different absorption rates, you can adjust the flow to 3 to 20 days or more depending on the time required, and can prevent excessive watering and make the plants healthier. 【Easy to Use】 Installs without tools, no need to drill the bottom of the bottle, the appearance is more beautiful, watering is not affected by water pressure. Simply tighten the drip irrigation devices and then insert them into the soil without any spikes or hazards. Suitable for indoor and outdoor gardens, potted plants, herbs, garden plants. 【Suitable for Most Bottles】 The self-watering chuck is suitable for bottles of many sizes. You are no longer limited to bottles with an inner diameter of 1.1 inches. Compatible with most bottles on the market, saving you time finding bottles. 【Enjoy Your Vacation】 Whether you are with your family, on a business trip, on vacation, excursion, busy, traveling or on a date, automatic watering can keep your beloved plants worry-free for 3-20 days, you no longer have to worry about leaving your plants unattended.