Adjustable Speed Design: Plant waterer with control valve can control dripping speed. You can adjust the traffic from 3 to 20 days or more according to the time needed and never kill your plants because the water flows too quickly or too quickly. Easy to use Just tighten the devices drip irrigation, then insert them into the ground without any nails or danger. Our automatic irrigation system is ideal for watering the indoor flower, outdoor plant or your vegetables on vacation. Fits most bottlesSelf-watering chuck is suitable to bottles of many sizes. They are no longer limited to bottles with an inside diameter of 1.1. The new dripper is suitable for 0.8-1.2 inch bottles The tilting holder helps your irrigation system not toppling over, even if the suitable bottle is too large. Don't waste time finding the right bottle. Enjoy your profession Healthier plants Enjoy your vacation with your family, leave your plants to me, water your plants and vegetables yourself and let your plants thrive. Three colors: orange, blue and green. It is made of environmentally friendly PP plastic. It measures 16.5 cm long, 5.5 cm wide and 30 mm in diameter. Automatic flower watering has good permeability and watering speed can be set. The nail for watering potted plants can be used for plastic drink bottles. Features: 1, can adjust the water speed more efficiently without any problem . 2, depending on how many days of your vacation, the slow release drip can last from 3 to 20 days without watering every