Features: This portable handheld pH meter is suitable for soil and food processing applications, such as fruits, vegetables, jams, pastes, bread, gels, and various semi-solid foods. It also measures solution temperature within a range of 0°C to 50°C, with selectable °C/°F units. Features a digital LCD screen with backlight for clear visibility, even in low-light conditions. Powered by 2 AAA batteries (not included); includes auto-shutdown to conserve battery life. Alarm function: red backlight activates when pH is below 3.5 or above 12.5. LCD displays “LO” when ambient temperature is below 0°C and “HI” when above 50°C. High-precision detachable probe for easy use and replacement; 0–50°C automatic temperature compensation ensures accurate readings; data hold function for convenient measurement review. Specifications: Screen: Digital LCD with backlight pH Measurement Range: 0.00–14.00 Accuracy: ±0.05 pH Repeatability: ±0.01 pH Temperature Measurement Range: 0–50°C Temperature Unit: Selectable °C/°F Temperature Compensation: Yes (0–50°C) Power Supply: 2 × AAA batteries (not included) Operating Temperature: 0–50°C Operating Humidity: ≤85% RH Note: Due to manufacturing variations, slight differences in appearance or color may occur—this does not affect functionality. Please read the user manual carefully before use. Material: Plastic Color: Black Package Contents: 1 × pH Tester Note: Only the items listed above are included. Other accessories are not included. Light reflection and display variations may cause minor color differences between the image and the actual product. Measurement tolerance: ±1–3 cm.