1. New Adjustable Valve - Precise valve control switch to adjust the water flow speed more easily and effectively. We've upgraded the switch to make it easier for you to change the speed of your drinker.2. PREMIUM MATERIAL - Made of plastic, you can use it over and over again, as each irrigation dripper ensures a long lifespan. With high strength and high toughness, good heat and cold resistance, safe and durable. Efficient recycling of plastic bottles. Reduce waste and protect the environment.3. Easy to operate -first stepTo insert the valve into the irrigation mandrel, first you can easily align the valve hole in the kit with the watering peg, then insert with a little force.second stepAfter gently inserting the valve into the pouring plate, you can place the clinker bottle on the pouring plate, press the mouth of the plastic bottle against the pouring plate, and then cut off the bottom of the bottle.third stepFill the water bottle with water After making sure the water bottle is installed on the pen and is leak-proof, you can add water to the bottle for watering.the fourth stepTurn the dial to adjust the flow. After completing the above steps, you can place the dripper in the desired position: Turn the valve to adjust the flow of the set water.4. Automatic irrigation delivers water directly to the roots of the plants. The automatic watering system eliminates the hassle of forgetting to water or leaving it unattended. You don't have to water it every day.5. Wide range of applications - Whether your plants are indoors or outdoors, at home or in the office, this automatic watering nail system will ensure your plants are well hydrated. These plant watering devices are perfect for potted plants, houseplants, garden plants, hanging baskets, deck pots, hanging plants or any other plant.