Water Level Gauge Soil Moisture Meter Plant Moisture Tester 4 Pieces Practical Water Level Gauge Plant Moisture Tester for Indoor Potted Plants White Scope of delivery: 4 pieces of water level indicator, water level indicator Size: approx. 20cm Easy to use: no batteries or electricity needed, just plug in and use Easy observation: this water level indicator can display the water level for remind you to water Widely used: this water level indicator is used for flower pots, a perfect tool for indoor and outdoor use. Just insert the level into the ground, and it will help your plants grow healthy and strong. Important Note: If there is no water in the pot, the water level indicator buoy is at the bottom. With that in mind, pull the water level and aquatic plants through the hole Type: Water shortage reminder Size: as shown Delivery quantity: 4 pieces Note: The data is all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain difference of color, the actual object received shall prevail.