Features: Quality Material: Made of high-quality ABS material for enhanced durability. Backlight Display: Easy-to-read screen that allows for convenient use in low-light conditions. High Precision: Accurate up to 0.1pH with a resolution of 0.01pH for reliable measurements. Easy Operation: Simple and user-friendly design for convenient handling. Replaceable Electrode: Offers high cost performance with replaceable probe design. Wide Application: Suitable for measuring pH levels in drinking water, hydroponics, aquariums, swimming pools, and laboratories. Specifications: Power Supply: DC 9V (battery not included) Measurement Range: 0.00–14.00 pH Resolution: 0.01 pH Accuracy: ±0.1 pH Temperature Compensation: 0–50°C (32–122°F) Operating Environment: Temperature: 0–50°C (32–122°F), Relative Humidity: <85% Calibration Mode: Manual single-point calibration Material: Plastic Color: As shown in picture Package Contents: 1 x Digital pH Meter (Other accessories not included) Note: The actual color may vary slightly due to lighting and display differences. Measurement error is within ±1–3 cm.