RainPoint WiFi Soil Moisture Meter, Soil Temperature Plant Water Meter Test Kit, Must be Used with TTV103WRF or TTV203WRF WiFi Sprinkler Timer and TWG004WRF WiFi Hub (Only Include Soil Tester) WiFi Soil Moisture Meter Features Include: Smart Control WiFi Sprinkler TimerAPP Monitor Soil Moisture & Temperature3-Probe Professional Home Soil TesterIndoor & Outdoor Use,an ideal soil test tool for home plants, gardens, lawns and farm kits. DOWNLOAD DIGITAL MANUAL HERE