<p>Automatic Plant Watering: Made of PP material. Improved design with a control valve to adjust the dripping speed, which can accurately drip to the roots of each plant. Our automatic plant watering device is suitable for most plastic bottles. It can only be used for bottles of 2.8-3.0 cm. </p><p>Automatic Watering Device with Control Valve: Plant Automatic Watering Device The automatic watering device with a control valve can control the dripping speed of 0-30 seconds/drop. If necessary, you can adjust the dripping time to 0.5-15 days or longer. It is very suitable for watering vacation plants, and you never have to worry about your plants withering while you are on a business trip or vacation. </p><p>Wide Use: The automatic plant watering device is perfect for potted plants, greenhouse plants, garden plants, tomatoes, hanging baskets, patio pots, hanging plants or any other garden plants, which can be watered on vacation or vacation, take it with you and ready to build your automatic irrigation control system</p><p>Easy to Use: All-in-one, no installation required. No tools required, no need to drill holes in the bottle. Just connect the watering device to the bottle mouth, then turn the bottle upside down and drive the nail into the ground. No need to worry about water pressure, the plants will not leak water. </p><p>Specifications: </p><p>Material: PP</p><p>Size: 17.5*5cm</p><p>Color: Green/Beige/Pink. </p><p>Package Contents: You will receive 3 automatic sprinklers</p><p>Notes: </p><p>1. Please allow a slight error in size due to manual measurement. </p><p>2. Colors may vary slightly due to different monitors. </p>