This monitor is part of a series of quality monitors designed for reliable, user-friendly operation. The Continuous Monitor Series features microprocessor technology, offering dependable performance for long-term, low-maintenance use. Simply plug in the AC adapter, calibrate, and the unit is ready for continuous monitoring. Specifications: Range: pH: 0.00 ~ 14.00 pH Resolution: pH: 0.01 pH Accuracy: pH: ±0.1 pH Temperature Compensation: 0°C ~ 50°C Working Temperature: 0°C ~ 50°C Power Supply: DC 6V (Power Supply Adaptor) Input Voltage: AC 220V Battery: 4x1.5V AG13/LR44 Button Cell Batteries (NOT Included) Features: Widely used for testing the pH of solutions and water. Uses imported IC for high performance. Easy pH calibration using a mini-screwdriver. Replaceable electrode probe with ATC function. Automatic temperature compensation. Large, clear LCD with backlight for easy reading and accurate testing. Note: Product design may vary slightly between batches, including minor differences in appearance or color, which do not affect functionality. Plug Type: EU Plug, suitable for use in countries including Germany, France, Spain, Italy, and Indonesia. Material: ABS Color: As shown Package Contents: 1 x Water Quality Analyzer Note: Other items not included. Lighting and display settings may cause slight variations in the color shown in images compared to the actual product. Measurement may vary by +/- 1-3 cm.