4-in-1 soil survey instrument 1. Test object: PH value/Temperature/Moisture/Sunlight 2. For plants, gardens & grass lawn 4-in-1 soil survey instrument4 in 1 soil survey ... -, LOW, LOW+, NOR-, NOR, NOR+,HGH-, HGH, HGH+Moisture(5 levels): DRY+, DRY, NOR, WET, WET+PH value(12 levels ... off: The unit will be automatically off after 5 minutes disabling.Operating temperature: +5°C~+40°CSize: Main unit 122cm x ...