1. Plant self-watering nails are very popular plant watering devices on the market. With a new design, it can accurately drip to the roots of each plant. It is very suitable for creating automatic irrigation control systems for outdoor and indoor potted plants.2. Brand new adjustable valve: very suitable for watering vacation plants. This automatic watering tip device comes with a control valve. Don't worry about your plants wilting on business trips or vacation trips 3. No tools, no need to drill holes in the bottle. Just put the fixed side of the shoe spike on the bottle mouth (full of water), then turn the bottle upside down and insert it into the soil No need to care about the water pressure. No leakage 4. Suitable for most bottles: Our automatic plant watering equipment is suitable for most plastic bottles. Such as cola bottles, soda bottles, and even wine bottles.5. Wide application: Whether it is indoor or outdoor plants, whether at home or in the office, this holiday automatic plant watering device can ensure that your plants have enough water. Very suitable for potted plants, indoor planting, garden plants, tomatoes, hanging baskets, deck pots, hanging plants or other garden plants during vacation or vacation, ready to build your automatic irrigation control system at any time colour: mixed colorMaterial: plasticPackage Contents:20 x Drip deviceOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.