Features 1、【Precisely Plant Care Needs】: This soil moisture sensor with scale design allows customers to adjust the insertion depth according to various types of plants, ensuring accurate detection of the moisture status of the rootzone of different plants, and providing the most scientific watering recommendations. 2、【Humanized Design /u0026 Protecting Mechanism】: Users only need to follow the instructions to insert the test rod into the appropriate soil depth (no more than 1/3 of the total soil depth). And make sure to hold the tool correctly to avert damage to the sensor due to improper operation. Special attention has been given to avert the adding pressure on the solar panel, thus avoiding damage to the sensor bar. 3、【Automatic Detection】: Simple and easy to operate, once the device is inserted into the soil, it can automatically detect the soil moisture without frequent manual intervention. If the soil has a normal moisture level, the red indicator light will not flash. If the soil is dry and the plant needs water, the red flashing light will automatically and continuously flash to indicate that the plant needs watering. The red light will continue to flash until the moisture level returns to normal and the plant no longer needs watering. 4、【Energy Saving /u0026 Sustainable Power Supplying】: With the solar panel powersupply system, the tester can operate continuously under natural light conditions indoors and outdoors, as long as the amount of light meets the minimum light intensity requirements, the tester is in working condition without having to consider powersupply. Perfect integration of environmental protecting concepts and efficient energy use, greatly reducing the user/u0027s cost and maintenance burden, to achieve a truly maintenance-free, all-weather soil moisture testing service. 5、【Wide Adaptability /u0026 Easy to Use】: Whether it is a small pot or a large planting container, you can flexibly adjust the insertion depth of the test stick, and it is recommended that general indoor plants be inserted at about 3-4 units of depth. Suitable for soil moisture testing of all kinds of indoor and outdoor potted plants and flowers, including tropical plants, common indoor greens, and sandy soil plants. Specification Package List 1 * Soil Moisture Tester