Description: There are 3 different light indicators of the humidity detector to inform you the moisture condition. And it features quick measurement and high accuracy. This soil moisture meter can quickly and accurately test the moisture value to remind you of water shortage. So it would be a necessary garden tool. It is constructed of plastic material. The length of the moisture meter is 17.5cm. It is suitable for lawn, yard, greenhouse, farm, garden, etc. Item Name: Moisture Meter Material: Plastic Battery: 1 x AAA Battery(Not Included) Green Light: A Moisture Content of More Than 60%, No Watering Needed Orange Light: A Moisture Content of More Than 30%, Watering Needed Red Light: A Moisture Content of Less Than 10%, Water Shortage Features: High Precision, Quickly Measure, Easy to Read Size Details: Length: 17.5cm/6.89" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Moisture Meter