1, Adjustable Valve Irrigation These automatic plant sprinkler devices with regulating valve can control drip speed 0-60s / 1 drip, slow release drops flow into auto water stations , lasts 1 to 15 days or more, depending on the desired duration 2, Materials This plastic irrigation bottle 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 3, Easy to Use Bottle drip irrigation, quick installation, no need for rotation, just put it down, plant sprinkler, provide water directly to plant roots, suitable for most plants control easy flow means your plants are getting the correct amount of water 4, Multi-scene Application Irrigation plastic bottle is suitable for your vegetables, indoor and outdoor gardens, hanging plants, small trees, shrubs, daily water plants, potted plants, indoor plants, herbs, garden plants garden, hanging baskets, sinks 5, Ideal for Holidays It can take care of your plants when you are on vacation or on business Don't worry, your plant will wither away