The LCD screen displays the pH value, which is easy to read in seconds. Equipped with an extended composite electrode with a spiral joint, it is suitable for direct measurement of small-diameter vessels. High response pH meter, easy to use. Compact design, easy to carry. Suitable for aquaculture, hatchery, food processing, laboratory, paper industry, swimming pool, and school use. Model: PH-98103 Measuring range: 0.0014.00 pH Accuracy: 0.2 pH, 0.1 pH (20C) Resolution: 0.01 pH Working temperature: 050C Automatic temperature compensation: 050C Battery: 3 1.5V AG13 Size: 175mm 51mm 25mm Color: Red Material: Plastic Package Contents: 1 pH Meter 1 Screwdriver Only the above package content; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is 13cm.