Profeional Plant Moisture Sensor Moisture Monitor Detector Soil Moisture Meter Alarm Hygrometer Humidity Meter OOTDTY Made of fine quality material, practical, easy to operate and use, wide application range, has a long service life. Features:Made of fine quality material, practical, has a long service life. Convenient, easy to operate and use. Simple and intuitive, flashing light prompt. Two detection modes:manual and automatic. Suitable for indoor soil moisture test of various plants and flowers. Specifications:Main material:ABS+PP Color:white+green Battery:2 * LR44 button battery, 1.5V (included) Item size:155 * 26 * 24mm / 6.1 * 1.0 * 0.9in Item weight:12g / 0.4ounce Package size:180 * 30 * 30mm / 7.1 * 1.2 * 1.2in Package weight:18g / 0.6ounce Note:The green light will flash once every two hours when the moisture is right; the yellow light will flash three times every two hours when the soil is dry; the soil will be particularly dry and the red light will flash once every 6 seconds to warn you that you need to water immediately. Packing List:1 * Soil Moisture Meter