Insert the device into the ground and set the water flow control switch to water the plants automatically, so you don't have to forget watering or leave it unattended, no need to water every day. Just add water to the water bottle in time. Plant watering system can control the dripping speed, 0-60s/1 drip, Slow dripping lasts 1-15 days. You can adjust the right water flow rate according to the plant's water needs . Ideal for short business trip or short vacation. It can be used to water a variety of indoor and outdoor plants, such as potted plants, flowers, hanging baskets, medicinal materials, vegetables, indoor plants, garden plants, hanging plants, etc. It is suitable for automatic watering equipment in gardens, offices, houses or a large farm, etc. SFits most bottles with an inner diameter of about 2.7cm. For example: Pepsi, Coca-Cola, Deet Cola, Dr.pepper, etc. Spiral mouth design, tightly integrated and no water leakage. In order to avoid vacuum, it is necessary to drill or cut the bottom of the bottle. It is made of ABS plastic, good resistance to heat and cold.