This is the perfect choice for watering any indoor plant. It is perfect for those who travel and want to make sure their plants are properly watered. The large planter will require two or more plant fountains.Self-watering dripper are a simple and effective way to water plants during a holiday.Automatically keeps the soil of potted plants at optimum moisture levels.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.Simple and convenient, no need for any cumbersome installation, just drill some holes in the bottom of the bottle or cut the tail of the bottle.Accurate water volume, providing different amounts of water for different plants and flowers, The bottle mouth is 1.1 inches, suitable for most beverage bottles, not for mineral water and pure water bottles. Product Description Plant Self Watering Spikes Device Automatic Irrigation System Material: plasticSize: single 135*30mm/5.32*1.19''Package list: 12 pcs Automatic Watering System Track Page Views WithAuctiva's Counter