2pcs Water Level Indicator House Plants Hydroponic Planter Hydroponic Plants Potted Water Level Indicator Humidity Sensor Greenhouse level indicator: multipurpose: suitable for all kinds of potted plants, any pot can be , can be a great convenience for you Hydroponics level gauge: this product is for flowerpot moisture test tester, can let you clearly and intuitively see the water level, very convenient to use. Plant water level indicators: water level indicators water level gauges buoy flower pot water shortage reminders water shortage alert floating display: water level meter is simple and convenient to use. Hydroponics plants level indicator: water level buoy easy to use: find a flowerpot, insert the hygrometer into the flowerpot, and read it, easy and quick. suitable for different occasions: suitable for farmland, garden, indoor planting, greenhouse planting, Greenhouse level indicator: easy to use: find a flowerpot, insert the hygrometer into the flowerpot, and read it, easy and quick.