ICEKEY Moisture Sensor Meter, Soil Water Monitor, Hydrometer Soil Sunlight Temperature PH Moisture Meter(4-in-1) Outdoor Garden Farm Plant Survey Instrument Tester 4 in 1 Soil Survey Instrument for plants and lawns Measures sunlight (9 levels),soil moisture (5 levels),soil pH (12 levels)and temperature (C & F) Fast and precise measurements Auto shut power off For outdoor & indoor plants, gardens & grass lawn