【Adjustable Valve Irrigation】 These automatic plant watering devices with regulating valve can control the drip speed 0-60s / 1 drip, slow release drops flow into the auto water stations, lasts 1-15 days or more, depending on the desired duration. 【Materials】 This plastic bottle irrigation is made of ABS plastic. Good resistance to cold and heat, safe and non-toxic. The long-nose cone design allows easy access to the roots. 【Easy to Use】 Bottle drip irrigation, quick installation, no need to rotate, just put it down, plant waterer, deliver water directly to the plant roots, suitable for most plants. Easy flow control means your plants get the correct amount of water. 【Multi-scene Application】 vegetables, potted plants, houseplants, daily water plants, patio plants, herbs, hanging baskets, desk pots, hanging plants, outdoor gardens, small tree, shrubs. 【Enjoy Your Holiday】 Enjoy the time with your family, this self-cultivating plant system will take good care of your vegetables, indoor