Sprayers -Peripheral watering Highlights generic brand Peripheral watering Description: The automatic sprinkler is a simple and effective way to water your plants when you are on vacation for 1 month. I just pushed the tube into the ground. water will be released slowly automatically watering your plants without having to set timers or worry about electronics being turned on while you're away. Using no power source, this will automatically keep the soil of a potted plant at the optimum moisture level. It is perfect for watering any houseplant. Ideal for people who travel and want to make sure their plants are properly watered. specification: 100% brand new, handmade, high quality hand blown Item: self watering Material: borosilicate glass Process: artificial blowing Heat: - 20~150 Demension: as the picture Color: clear Total height: approx . 25.5cm / 10.04inch Tube Diameter: Approx. 5.5cm/2.17inch Tube Length: Approx. 10 cm / 3.94 inch Package includes: 2 x Garden Glass Watering Sprinkler Note: The inlet and outlet are small holes, so you need to be patient when watering. To prevent soil from entering the tube, wrap the bottom of the tube with gauze before inserting it into the soil.