1. Made of PC and ABS material, with high impact resistance, heat resistance, low temperature resistance, nice chemical resistance and electrical properties. 2. High accuracy, support the detection of the humidity and ambient temperature in the soil of green plants, lawns, etc. 3. BT connection, BT 4.1 version, support for both iOS and Android system. 4. Cellphone APP control, accurate readings, so that users know the specific situation of the soil at any time, to solve the traditional temperature and humidity is not easy to read the problem. 5. Mobilephone APP displays the soil temperature and humidity in the detection, and the indicator lights up when 3%6. The upper LED indicator is designed to remind users to water in time.<br><br>7. Multifunctional design, statistical temperature and humidity function with low battery reminder. 8. Multi-scene application: plug and plays, suitable for indoor potted plants, green plants, greenhouse, etc. Note: 1. Before installing this product in the ground, be sure to cleanup the outer of the device. 2. Insert soil moisture sensor in the ground not less than 2/3. maximum exposure to the of the unit. Check for absence of water on a soil moisture sensor. Name: Soil Detector Connection: BT BLE Battery: 2 * AAA battery (not included) APP: Indicator: lights up when 3% Colour:blue+black Material:PC+ABS<br><br>Package Contents: 2 x Soil Detector<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.