【Automatic Watering】The automatic watering head is made of high quality ABS plastic, safe to use, very durable and sturdy. The water storage design effectively prevents water leakage from the bottle mouth, thickened design, strong supporting structure, and prevents the self-watering equipment from emptying during use. 【Water Storage Design 【Adjustable Speed】The design of the automatic plant watering system sprinklers has a water adjustment valve, because different plants have different absorption rates, you can adjust the traffic from 3 to 20 days or more depending on the time needed, and it can prevent over-watering and make plants healthier. 【Easy to 【use】Installed without tools, no need to drill the bottom of the bottle, the appearance is more beautiful, irrigation is not affected by water pressure. Just simply tighten the drip irrigation devices and then insert them into the ground without nails or other dangers. Suitable for indoor and outdoor gardens, potted plants, herbs,