[Adjustable valve]: The flow rate can be controlled. The plant watering device with control valve can control the drip speed from 0 to 60s/drip, and the continuous drip lasts 1 to 15 days. Just adjust the valve to meet your needs without complicated installation steps. Save time and water.

[Simple and convenient]: Installed without any tools, just drill holes in the bottom of the bottle or cut off the end of the bottle to keep the air flowing.

[Accurate water volume]: Provide different amounts of water for different plants and flowers, don't become a plant killer, other watering devices either provide too little or too much to some plants, the old leaves turn yellow and fall off, but if the new growth is yellow, it may indicate overwatering or underwatering.

[Suitable for bottles]: Dr. Pepper bottle, Pepsi bottle, Coca-Cola bottle, Lipton bottle, Diet Coke bottle, Aquafina bottle or other bottles with 1.1 inch inner diameter. (Bottle not included).

[Multi-scene application]: vegetables, potted plants, indoor plants, daily water plants, patio plants, herbs, hanging baskets, desk pots, hanging plants, outdoor gardens, small trees, shrubs.