MMRM Mini Flower Pot Waterer Indoor Plants Automatic Drip Irrigation Watering System When you go out or do not have time to water the flowers every day, just filled with water at the edge of the tank, it can automatically watering your plants, you can also add a water-soluble fertilizer in water storage containers, scaled watered, while r Self Watering Probes are a simple and effective way of watering your plants while you are on vacation Using no power source, this high-quality plant waterer will automatically keep a potted plant's soil at the optimum moisture level Great for people who travel and want to make sure their plants are properly watered Large planters will need two or more plant waterers