2 in 1 Digital pH Temperature Monitor Tester Sensor Kit 0-14.0pH Measures Automatic Calibration <p> 2-IN-1 COMBO WATER QUALITY MONITOR: Displays temperature & pH measurement results for long-term continuous monitoring</p> <p> SIMPLE OPERATION: 2 buttons - Power button and °C/°F switch button, it is easy to use for beginners and professionals.</p> <p> REPLACEABLE PH ELECTRODE: Removable and replaceable BNC type pH No need to change the entire water quality monitor even after a long period of use. Simple replacement of the pH electrode helps you save costs.</p> <p> 2-IN-1 COMBO WATER QUALITY MONITOR: Displays temperature & pH measurement results for long-term continuous monitoring</p> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.