Feature: 1. 1. Portable Pen Type Design: Small and portable, easy to use, easy to operate, plastic box storage, anti falling and anti shock. 2. 2. Measure The Value Of PH: With measuring ranges of 0.00 - 14.00 pH, which has a sensitive response and high measurement accuracy. With a PH calibration function, with calibration ranges of 6.86 / 4.01 / 9.18. With the automatic temperature compensation function, the compensation ranges from 0℃-50℃. 3. 3. HD Backlight Display: This PH meter has a large LCD display with a soft backlight can easily cope with various environments, which is more clear and convenient to read data. 4. 4. Waterproof and Replaceable Probe: Replaceable high-precision probe is waterproof and corrosion-resistant, with long service life, fast response and more stable data. 5. 5. High capacity battery: It is powered by 4 * 1.5V (AG-13) large capacity button battery and has long service life. 6. 6. Wide Applications: Multipurpose Meter, many applications, you can use it in PH value testing of skin, bread, wet soil, laboratory, fruit, meat, etc. Specification: Features: 1. Portable Pen Type Design: Small and portable, easy to use, easy to operate, plastic box storage, anti falling and anti shock. 2. Measure The Value Of PH: With measuring ranges of 0.00 - 14.00 pH, which has a sensitive response and high measurement accuracy. With a PH calibration function, with calibration ranges of 6.86 / 4.01 / 9.18. With the automatic temperature compensation function, the compensation ranges from 0℃-50℃. 3. HD Backlight Display: This PH meter has a large LCD display with a soft backlight can easily cope with various environments, which is more clear and convenient to read data. 4. Waterproof and Replaceable Probe: Replaceable high-precision probe is waterproof and corrosion-resistant, with long service life, fast response and more stable data. 5. High capacity battery: It is powered by 4 * 1.5V (AG-13) large capacity button battery and has long service life. 6. Wide Applications: Multipurpose Meter, many applications, you can use it in PH value testing of skin, bread, wet soil, laboratory, fruit, meat, etc. Specifications: Range: 0.00-14.00ph Resolution: 0.01ph Accuracy: ±0.1ph Battery: 4x1.5V(AG-13) Temperature Compensation: 0℃-50℃ Rated Temperature: 0℃-50℃ Material: ABS Item Size: 210 * 50 * 28mm / 8.27 * 1.97 * 1.1 inch Item Weight: 90g / 3.17oz Package Size: 195 * 170 * 50mm / 7.68 * 6.69 * 1.97 inch Package Weight: 177g / 6.24oz Package List: 1 * Ph Meter 1 * Probe 1 * Screwdriver 1 * User Manual (English) 1 * Plastic Box Package List: 1 * Ph Meter 1 * Probe 1 * Screwdriver 1 * User Manual (English) 1 * Plastic Box