【Automatic】The flow rate can be controlled, and the plant watering device with a control valve can control the drop speed and slowly drain the drop.【Easy to install】Simple and convenient, without cumbersome installation, just drill a few holes in the bottom of the bottle or cut off the tail of the bottle.【Safe Watering】Accurate water volumes to supply different plants and flowers with different amounts of water do not become plant killers, other irrigation plants either have too little or too much water. With some plants, the old leaves turn yellow and fall off. However, if the new growth is yellow, it may be a sign of over or under water【Wide Applicability】Suitable for varieties of commonly used brand bottles, or any other 1.1 inch inner diameter bottle.A convenient and practical watering tool for people who are always out and away from home.【Garden Helper】Enjoy your family vacation and leave your plants to me. Plant your own watering nails, indoor and outdoor gardens, daily water