Use this tool to monitor the pH and Temperature of any type of water may it be in your aquarium, swimming pool, spa, laboratories, hospitals, hydroponics for laboratory, agricultural, industrial, and also field water analysis procedure. Features: Large screen display with low battery indicator Pre-calibrated from the Factory Smart Green backlight function BNC pH Electrode (Replaceable) Accurate reading °C/°F temperature unit With ATC function With power saving mode One touch button calibration and can calibrate up to three points Can Hang, Wall mount or can use the tripod (not included in the set) Specifications: pH Measurement Range: 0.0~14.0pH Accuracy: ±0.1 Resolution: 0.01 Temperature Measurement Range: -5.0~60.0°C (23~140°F) Accuracy: ±0.5°C Resolution: 0.1 LCD Size: 26 x 44mm pH Calibration: pH 4.01 / pH 7.0 / pH 10.01 Battery: 4 x AA Alkaline Battery Set Comprise With: 1 x pH &Temperature monitor with built-in Temp Probe 1 x Replaceable pH Probe 4 x AA Alkaline Battery 3 x Calibration Buffer Powder 2 x Wall mount hanger and nylon screw Operation Manual (English)