Features: 1. The dripping speed can be adjusted. By rotating the regulator, you can adjust the water speed without excessive watering. When traveling or on business trips, you will no longer suffer from being unable to water your beloved plants.2. Very suitable for automatic irrigation control systems for outdoor and indoor potted plants.3. Easy to use, no tools, no need to drill holes in the bottle.4. Suitable for most bottles: Our plant automatic watering equipment is suitable for most bottles, such as soda bottles and even wine bottles.5. 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. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: PP Size: As shown Note: The product does not contain a bottle. 3pcs/6pcs x Adjustable Self Watering Plant Spikes (Single color) or 3pcs/6pcs x Adjustable Self Watering Plant Spikes (Mixed colors)