The Milwaukee pH Tester offers a wide range of 0.0 to 14.0 pH with a high accuracy of ±0.2 pH, ensuring precise measurements for your water testing needs. With a convenient 1-point manual calibration, this tester is simple to set up and use. It comes complete with 7.01 calibration solutions, a calibration screwdriver, batteries, instructions, and a protective cap for added convenience and protection. Packaged in a new pillow box package, it also includes a 30-day warranty for peace of mind.