1. High definition backlight display screen: clearer reading at night. 2. Detachable probe: The electrode can be replaced. More convenient maintenance and storage. 3. High quality probe: rust proof, , suitable for soils. 4. Lock button: After the value stabilizes, click the hold button to lock the current value. If you need to re measure, please the hold button again. 5. Widely used: Suitable for greenhouse planting, horticultural planting, farmland planting, laboratory, agriculture, etc. Temperature compensation range: automatic (-30 ℃ -80 ℃) Electrode: replaceable electrode Battery level: low battery warning Backlight: Supports backlighting Shutdown: Automatic shutdown for about 10 minutes Power supply mode: 3 x 1.5VLR44 button cell (not included) Usage environment: -30.0 ℃ -80.0 ℃ RH: max 90% Waterproof grade: IP67 Display:LCD Backlight Display EC Range: 0.00-10.00mS/cm; Resolution: 0.01mS/cm Accuracy: ±2%F.S TEMP Range: -30°C-80.0°C; -22.0°F-176.0°F Resolution: 0.1°C; 0.1°F Accuracy: ±0.5°C Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Photo Color Material:plastic Package Contents: 1 x EC Soil Detector 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.