Package Includes: 4 pieces water level indicators, indicator size: approximately 20 cm Easy to use: No batteries or power required, simply insert and use Clear observation: This water level indicator shows soil moisture levels to remind you when to water your plants Wide application: Suitable for flower pots, ideal for indoor and outdoor use. Simply insert the indicator into the soil to help your plants grow healthy and strong Important note: When there is no water in the pot, the float inside the indicator will be at the bottom. In this case, water the plant through the designated hole Type: Water deficiency reminder Size: As shown in image Package quantity: 4 pieces Note: Measurement is done manually, please allow 1-3 cm error. Due to differences in lighting and screen display, there may be slight color variations. Actual product may vary slightly in color and design.