-"Hold" feature: lock the value for easy reading
-Auto-off feature: Auto-off after 10 minutes
-Temperature reading feature
-Reading range from 0 - 999 ppm.
-Great for testing RO/DI water
-English manual included
-Casing included


Self-collection at Punggol. Please contact me at 86 one two 7 one 8 two for more information. Thanks.