Feature: 1. Intelligent Soil Temperature and Humidity Sensor Tester: Monitor the temperature and humidity of the soil in real time with APP through zigbee wifi sensor. 2. Remote Control By Cell Phone: Insert the humidity probe into the soil, you can see the condition of the soil in APP, timely watering or adjusting the temperature. Mobile phone APP can view soil temperature, humidity, light at any time, easy to grasp the dryness and humidity. 3. Wide Application: Widely used in water-saving agricultural irrigation, greenhouses, flowers and vegetables, grassland pastures, scientific experiments and other fields. It can even be used in combination with other Tuya products such as waterers. 4. Intelligent Linkage: Create an intelligent scenes through a mobile app to achieve intelligent linkage control. Specification: Item Type: Soil TesterModel: THE01860 Material: ABS Temperature Measurement Range: 0-85℃; -10-80℃ Temperature Measurement Resolution: 0.1℃ Temperature Measurement Accuracy: ±0.5°C Humidity Measurement Range: 0-100%RH Humidity Measurement Resolution: 1% Measurement Accuracy: ± 1% Light Intensity Accuracy: ± 5% Light Intensity: 0-65535LX Long Term Stability (light intensity): <5%/y Protective Level: IP67 Installation Method: All temperature and humidity probes are inserted into the soil Power Supply Mode: Battery powered AA batteries x2 or 4 batteries (Battery not included) Working Frequency Band: 2. 4GHZ Transmission Distance: 150m Key Functions: After a long press for 5 seconds, the device resets. When entering the distribution mode, a short press immediately collects data and reports it. LED Indicator Light: After the device enters the distribution mode, it will continuously flash for 6 seconds. After successful distribution, it will continue to light up for 1 second and then turn off. When the data is reported, it will light up. Item Size: 220 x 58mm / 8.66 x 2.28in . Package List: 1 x Soil Tester 1 x User Manual