Features 1、Automatic Calibration: This PH temperature tester uses automatic 2 point calibration mode, no manual calibration required 2、Measuring Range: This is household PH meter water quality test pen, which PH is 1.00~14.00, temperature is 0~50℃ 3、Easy to Use: High quality water quality monitoring tool, high monitoring accuracy, easy to use, automatic detection after power on 4、Wide Applications: Ideal for home and industrial PH testing applications, including drinking water, swimming pools, pond, and more 5、Simple to Carry: This PH temperature test has 2 in 1 function, more sensitive, lightweight handheld design, easy to carry Specification Item Type: 2 in 1 PH Meter Model: PH-2022 Material: ABS Application: Water Quality Monitoring Battery: 2 x 1.5V AAA (Not Included) Measuring Range: 1. PH: 0.00~14.00 2. Temperature: 0~50℃ Package List 1 x PH Temperature Meter 1 x User Manual