1. This is the perfect choice for watering any indoor plant. It is for those who travel and want to make sure their plants are properly watered. The large planter will require two or more plant fountains. 2. Self-watering dripper are a simple and effective way to water plants during a holiday.Automatically keeps the soil of potted plants at moisture levels. 3. The flow rate can be controlled. The plant watering device with control valve can control the dripping speed of 0-60s / 1 drip, and the sustained release drip lasts for 1-15 days. 4. Simple and convenient, no need for cumbersome installation. 5. Accurate water volume, providing different amounts of water for different plants and flowers. Style Self Watering,Auto,Adjustable,IndoorMaterial PlasticSpecial Feature AdjustableProduct Care Instructions Wipe with Damp Cloth 1. This is the perfect choice for watering any indoor plant. It is  for those who travel and want to make sure their plants are properly watered. The large planter will require two or more plant fountains. 2. Self-watering dripper are a simple and effective way to water plants during a holiday.Automatically keeps the soil of potted plants at  moisture levels. 3. The flow rate can be controlled. The plant watering device with control valve can control the dripping speed of 0-60s / 1 drip, and the sustained release drip lasts for 1-15 days. 4. Simple and convenient, no need for  cumbersome installation,  5. Accurate water volume, providing different amounts of water for different plants and flowers