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 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 drying; the soil will be particularly drying 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