1Equipped with 4-digit LCD digital display, the measurement results can be displayed clearly and intuitively. 2Equipped with high-performance detection electrodes, it can monitor and control the pH value in water for a long time. 3Wide test and control range, the measurement range is 0-14PH, high resolution, can be used for a long time. 4It has high accuracy and responsiveness, suitable for detecting water quality. 5Suitable for aquaculture, hydroponic culture, fish farms, pond, hydrotherapy, food processing, laboratories, paper industry, swimming pools, etc.Condition: 100% Brand New Item Type: PH Controller Material: ABS Measuring Range: 0-14PH Resolution: 0.01PH Accuracy: 0.1% + 2 Figures Input Resistance: 10-12 Setting Range: 3.5-10.5PH Output Current: 5A Calibration: Double Point Display: 4-Digit LCD Display (Backlit Display) Power Supply: Online Environment: Temperature: 0-50 , Humidity: 1 x PH Controller1 x PH Probe1 x Sucker1 x Steel Bracket1 x Small Plastic Screwdriver1 x Instruction Manual1 x Plastic Box1.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.