Feature: 1. 2.8‑inch high‑definition LCD screen, with backlight display makes the measurement data clear anytime and anywhere. 2. With data storage, waterproof probe, time display, peak alarm, ergonomic design, fast measurement and other functions. 3. Probe insertion design, with fast measurement, does not need the reagent, does not limit the detection times. 4. High measurement accuracy, up to ±0.3PH accuracy, quick response speed, and good interchangeability. 5. The electrode use specially treated stainless steel material, which can withstand strong external impact and is not easily damaged. 6. Completely sealed, resistant to acid and alkali corrosion, and can be buried in soil for long‑term dynamic testing. 7. Widely used in soil pH testing, water-saving irrigation, agriculture, forestry, geological prospecting, plant cultivation, water conservancy, environmental protection, etc. and the measurement of various particulate matter pH. Specification: Item Type: Soil Tester Set Material: ABS, Stainless Steel Uses: This detector can be used in farmland planting, fruit and vegetable planting, gardening, greenhouse planting, cultivation, etc. Soil Detector Parameters: Power Supply Mode: Battery Power Supply (Not Included) Display Mode: 2.8in LCD Screen Data Storage: 100W Data Charging Time: 8h Connectable Equipment: 1-4 Equipment Combinations Working Environment: Temperature: -10℃-50℃, Humidity: <95%RH No Condensation Working Voltage: DC 4.2V Standby Time: More than 8h ContinuousBattery Type: 2 x 18650 Lithium Battery (Battery Not Included) Size: Approx. 209x100x36mm / 8.2x3.9x1.4in PH Sensor Parameters: DC Power Supply (Default): DC 5-30V Maximum Power Consumption: 0.5W (24V DC Power Supply) Range: 3-9 PH Resolution: 0.1 Accuracy: ±0.3 PH Working Temperature: -20℃-60℃ Long-Term Stability: ≤5%/Year Response Time: ≤10s Protection Level: IP68 Probe Material: Stainless Steel Default Cable Length: Approx. 2 m / 6.6ft Size: Approx. 45x15x123mm / 1.8x0.6x4.8in. Package List: 1 x Sensor1 x Detector (Battery Not Included)1 x Connect Cable2 x Connect Terminal1 x USB Cable1 x Plug1 x Plastic Box Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.