Self Watering Sprinklers are a simple and effective way of watering your plants while you are on vacation.Just pushed the tube into soil. the water will be slowly emitted automatically watering your plants without the need to set timers or worry about electronic devices being turned on while you are away. Using no power source this will automatically keep a potted plant's soil at the optimum moisture level.You can also mix fertilizer with water and by this spike fertilizer plant automically.It's perfect for watering any indoor plant. Great for people who travel and want to make sure their plants are properly watered.100% Brand new，Handmade， Hand-blown with high qualityItem: automatic WateringMaterial: borosilicate glassProcess: artificial blowingHeat: - 20 ~ 150Demension: As the pictureColor:ClearQuantity: 1 piece