"Convenient operation: The soil hygrometer displays the soil moisture status through the indicator light.Red indicates lack of water, green indicates moderate moisture, and blue indicates sufficient water. In extreme water shortage, a red light will flash every five minutes.Compact Size: The soil moisture sensor has a compact size and a simple shape design that does not affect the decorative appearance of potted plants.Waterproof: The soil moisture sensor has a body-wide water-proof function, which is convenient for watering plants.It can be placed in a flower pot for a long time to monitor soil moisture data in real time.Easy to insert: The plant moisture tester is made of high-quality plastic, hard and wear-resistant, and the triangular tip allows you to insert it into the soil.Application: Suitable for most types of soil, and is widely used in flowers, cacti, succulents, magnolias, roses and other potted plants.Specification:Material: ABSColor: Black+WhiteSize: app. 13.1x2.5x1cm/5.2x1x0.4inWorking Voltage: 3VRated Power: 0.03WWorking Current: 10uABattery: 1 x 3V CR2032 button battery(Not included)Measuring Range: 5%Red Light: Water ShortageGreen Light: Suitable WaterBlue Light: Too Much MoistureQuantity: 1 set"