Soil EC: 0.01-10.00mS/cm,Soil EC that is too high or too low hinder plant growth. Different plants have different characteristics and growth stages, suitable for different soil EC. Bluetooth wireless connection,APP can display soil data content in real time. Thickened electrode, higher ,Specially designed high-intensity probes are faster and more accurate. Applicable to many fields,Can meet the soil testing needs of gardening and planting sites,Greenhouse planting, orchard seedling cultivation, horticultural planting, etc. Hign-concerned Chemical:None Is Smart Device:YES Colour:As Shown Material:ABS Package Contents: 1 * Soil PH Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.