Presiced Testing : Applicable to various models, including , trucks, buses; assures high precision and reliability of returned results with minimal error Easy to Use: Just dip the tester into the liquid and get accurate results instantly with its user-friendly and straightforward design, allows users to submerge it in liquid for easy testing long Service Life: Sturdily built for simple maintenance, its reasonable design reduces replacement frequency, ensuring a long service life, prevent unnecessary expenses Portable Convenience: Lightweight and suitable for carrying in the car, enabling you to test anytime, anywhere with ease, you can check your coolant's strength and temperature with ease and convenience Effortless Organization: Equipped with a special storage box, this tester assures easy, convenient storage and protection, preventing loss and damage effortlessly