Pen-Type Design : Portable And Convenient, This Tester Fits Neatly In Your Pocket, Making It Ideal For On-Site Water Quality Checks Anytime, Anywhere. Digital Ph Meter With Backlight : Enjoy Enhanced Visibility In Any Lighting Conditions Thanks To The Backlit Display, Ensuring Clear And Easy Reading. High Accuracy And Speed : Achieve Accurate And Rapid Results Within 5 Seconds, Perfect For Time-Critical Water Quality Assessments. Comprehensive Water Quality Measurement : Measure Ph, Ec, Tds, Salt, And Temp For A Full Spectrum Of Water Quality Analysis. Reliable And Durable : Trust In A Tester Built To Last, Offering Dependable Performance In All Your Water Testing Ventures. Experience The Convenience And Precision Of Our Pen-Type Tester, Designed To Meet Your Water Quality Measurement Needs With Flawless Accuracy. Whether You're Out In The Field Or In The Lab, This Tool Offers A Seamless Blend Of Portability And Reliability, Making It An Essential Addition To Your Equipment.