Shinwa Sokutei Digital Soil Acidity Meter A 72716 with Soil and Illuminance Measurement Functions Temperature, Moisture,

Body size: 322 x 63 x 36mm Body weight: Approximately 70.5g (not including battery) Power supply: 1 9V battery Continuous use time: 12 hours (the included battery is for monitoring purposes and may have a short lifespan) Measurement target: illuminance, soil acidity, soil moisture, soil temperature Operating temperature: 5~40℃ Measurement range Illuminance (9 levels): LOW-, LOW, LOW+, NOR-, NOR, NOR+, H1GH-, H1GH, H1GH+ Soil moisture (5 levels): DRY+, DRY, NOR, WET, WET+ Soil acidity (14 levels): pH3.5~9.0 (minimum display 0.5, accuracy ±0.5) Soil temperature: -9~50℃ (minimum display 1℃, accuracy ±1℃)