Soil three-in-one detector Soil fertility meterWeight: Short (88g) Long (100g)Material: ABS+copper probePackaging: (as shown in the picture) Color box packaging (220 * 65 * 36mm/272 * 65 * 36mm)Measurement range: Detecting soil fertility, pH, and humidity.Usage: Directly insert into the soil without the need for a battery.Usage scenarios: courtyard gardens, greenhouse planting, orchards, indoor flower and grass planting on family balconies, etc.Product size: 220mm/275mm in two sizesProbe length: 108mm/160mm in two specifications