Automatic Water Sprinkler These automatic plant sprinkler devices with regulating valve can control the drip speed 0-60s / 1 drip. You can adjust the traffic for 3 to 20 days or more depending of the time you need and will never kill your plants because the water flows too fast or too slow. Fits 99% of Bottles Newly improved plant waterer almost can be used for Fits all sizes of bottles. You are no longer limited to finding 0.8 to 1.2 inch bottles, don't waste time finding the right bottle, all bottles operate the self-watering system. Easy to Use No tedious installation, just tighten the drip sprinkler devices, then insert it into the ground, and can be used without drilling or drilling holes in the bottom of the bottle , which is very convenient. And it is not affected by water pressure, no need to worry about water pressure, no water leakage! Not Easy to Empty Due to the use of the new anti-tip bracket, if the connected bottle is too big, the automatic sprinkler system will not toggle and the switch will change from round to round square. The tapered end is not easy to turn, easy to adjust and can be watered continuously. Suitable for Indoor and Outdoor Plants Plastic bottle irrigation is suitable for your vegetables, indoor and outdoor gardens, hanging plants, small trees, shrubs, daily water plants, potted plants, indoor plants, herbs, garden plants, hanging baskets, sinks. enjoy time with your family, this automatic plant irrigation system will take care of your all plants. This is a great product built with good plastic, useful for those who love gardening or for those who are often away from home for work or vacations and don't want to give up having plants on their balcony or their garden. & nbsp; Functionality Can adjust the water speed more efficiently without any problem. No need to water every day. & nbsp; Fits 99% bottles, You are no longer limited to finding 0.8-1.2 inch inner diameter bottles. This new automatic watering device is suitable for almost any bottle. No need to worry about water pressure, let alone drill holes in the bottom of the bottle, you can enjoy your vacation with peace of mind. Wide range of use This self-watering spike system is a multi-stage system for indoor and hanging plants, small trees, vegetables, shrubs, daily water plants, indoor plants, pot, indoor plants, herbs, garden plants, hanging baskets, sinks. & nbsp; Steps of Use: Step 1 Install the threaded plug; & nbsp; Step 2 Installation of the drip regulator; & nbsp; Step 3 Install the dripper and the water-filled bottle together; & nbsp; Step 4 Turn the bottle upside down and place it in the ground, adjust the water flows. (Do not remove the filter cotton!) & nbsp; Note: please keep the tips vertical! Do not remove the filter cotton!