The XLUX Long Probe Deep Use Soil Moisture Meter Sensor, Water Monitor Indicator, Humidity Meter by Fangtan Co., Ltd is a reliable tool for monitoring soil moisture levels in yards, gardens, and outdoor spaces. This metal sensor, measuring 16.14 x 2.64 x 1.85 inches and weighing 0.32 ounces, provides accurate hygrometer/humidity readings to help ensure optimal plant growth. With its long probe depth, this XLUX model (T9178#2) is perfect for deep soil penetration and efficient moisture monitoring for your gardening needs.