For this model,we have 2 design for your choose.round design and square design.
Features:
This pH meter is an ideal instrument for testing the soil's moisture,ph value,light of flowerpot ,
Scales:PH,moisture,Light
Measuring range:
PH:8-3.5
Moisture:1-10(1-3 means need water,4-7 means ok,8-10 means too much water)
Light:0-2000
Dimensions: 5x3.8x28.5cm
Probe length:20.5cm
No need battery
Material:plastic