Watersitter - Automatic Plant Waterer for Worry Free Vacation Watering for Indoor or Outdoor Potted Plants That Can Be Used As an Automatic Fertilizer Injector and Works Similar to a Drip Irrigation Kit to Help You Conserve Water WORRY FREE VACATION WATERING - Watersitter self-watering plant pins are a simple and effective way of watering your indoor plants whilst you are away from home. NO MORE OVERWATERING - Automatically keeps the soil in your potted plants at the ideal moisture level; no more over-watering! WATER LESS OFTEN - You choose the water reservoir, Bigger reservoirs mean less watering, Lasts longer than globe based spikes; you choose the size of the water reservoir depending on how long you want to water. IDEAL SOIL MOISTURE - The water pins deliver water straight to the roots EASY GREEN THUMB - Easy to use; no batteries or power source required.