High Precision Lab 4 in 1 PH TDS EC and Thermometer Water Quality Tester

Features: Full-featured one-key switching: This four-in-one water quality testing pen has multiple functions PH TDS conductivity temperature to meet your daily needs. Celsius / Fahrenheit switching: with temperature unit switching function click the button to lock long press the button to switch. The high-sensitivity probe and high-sensitivity glass electrode can measure water quality with higher precision and can automatically supplement the temperature to reduce errors. High-definition backlit display the screen automatically brightens when power on and can be seen clearly in dim conditions. This product is the latest model in 2022 with more powerful functions. Note that the package does not contain button batteries and correction powder and you need to buy it yourself. Product Size：150*29.5*14.5 mm Product weight：55 g Color:blue pink Packing List:Four-in-one water quality test pen*1