Check the listing for details. 12pcs Automatic Irrigation Drippers With Release Vacation Plant Self Watering. Color: Multicolor, Condition: New. Listed at 8.88 USD. 12pcs Automatic Irrigation Drippers With Release Vacation Plant Self Watering device. Safe Materials: The automatic plant waterer is made of environmentally friendly PP materials, which have the characteristic of lightweight, good toughness, and good impact strength. Applicable to Caliber 1.1in: You don't need to waste time looking for bottles. The plant watering device can fit most water bottles. It can suitable for the bottle from 0.8 to 1.1in. Adjustable valve: The control valve of the device can control the flow rate at 0-60s per drop of water, lasting for 1-15 days. Only adjust the valve to Meet your needs without complicated setup steps. Economical and Practical: Accurate water control can prevent over-watering and protect your plants. The device only needs to drill some holes at the bottom of the bottle or cut the bottom of the bottle to keep the air flowing. Widespread Application: There is no need to worry about plants withering when you go out. The device will water your vegetables, indoor and outdoor gardens, daily aquatic plants, potted plants, indoor plants, herbs, hanging baskets, washbasins, hanging plants, small trees, and shrubs.