Digital Soil EC TDS Temperature Measuring Device Universal PPM CF Meter Potted Plant Soil Testing Instrument Gardening Agricultural Measuring ToolsFunction:Soil temperature determines the environment for plants to live. EC soil that is too tall or too low can hinder plant growth. Different plants have different suitable soils ECs according to different characteristics of fertilizers and growth stages. Specification:Material: ABS+Stainless Steel Size: 285*35*35mm Test Range:EC: 0-10000us/cm (0-10ms/cm)TDS: 0-10000ppmTemperature: -50C-70C (-58F-158F)Resolution:EC: 10us/cm (0.01ms/cm)TDS: 10ppmTemperature: 0.1c (0.2f), You can mention them:EC/TDS: 2% F.STemperature: 1c ( 2f)Battery: 4 X AG13 Button Cells (Included)Temperature Compensation: 0-50C Note: Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Please allow 1-2cm measurement deviation due to manual measurement.1 X Soil Analyzer