Features 1、5 in 1 Tests: This water quality meter can be applied to test the TDS, EC, salt, S.G, and temperature, useful and reliable. 2、Accurate Work: With high accuracy and wide measuring range, the tester also enables quick data stabilization and calculation. 3、Practical Use: Not only suitable for drinking water testing, but also ideal for the water testing in pool, aquarium and so on. 4、Clear Display: Thanks to the digital display, the data viewing and whole operation are much more convenient and time saving. 5、Easy Carrying: Pen design together with light weight and compact size ensures simpler daily carrying and storage as well. Specification Item Type: Water Quality Tester Model: 066 Material: ABS Battery: 1 x CR2032 3V (not included) Application: Water Quality Testing Scope of Testing: EC: 0~19990us/cm, 0~199.0ms/cm TDS: 0~9990ppm, 0~199.0ppt SALT: 0~199.9ppt, 0%~20.0% S.G: 1.000~1.400 Temp: 0℃~50℃ (32℉~122℉) Package List 1 x Water Quality Tester 1 x User Manual