2.8in LCD Digital Soil PH Meter with PH Sensor Multi Parameter Recorder (V05: 05V ) 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 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