(1) 4-in-1 soil tester for plants and lawn. (4) pH (12 levels): 3.5~9.0pH. (8)PH: 0.5pH. Humidity (5 levels): dry +, dry, NOR, wet, wet +. (2) Sunlight (9 levels): LOW - LOW, LOW +, NOR- nor, NOR + HGH-, HGH, HGH +.
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