Automatic Vacation Plant Watering System: The 3.5 liter water bags can last about 3-20 days of work because it has a precise regulating valve that can control the water flow speed. The supportive drip will take care of the plants throughout your vacation. 【Precise Drip Valve Adjustment】 The dial for precise drip speed adjustment can better control the drip speed and keep green plants properly watered. Easy to Install: It only takes 5 minutes to make a homemade automatic watering system. 【Large Capacity】 Made of high-quality materials, the sturdy water bag can hold 3.5 liters of fresh water, almost 1 liter of water. Save time for repeated water refills. Saves water, uses 70% less water than conventional spray and drip heads. Wide Application: Suitable for use with houseplants, potted plants, hanging baskets, patio plants, desk pots, hanging plants, outdoor gardens, home or office. Note: The data are all manually measured, please allow an error of 1-3 cm. Due to differences in light and