This versatile salinity tester is ideal for a range of applications, including swimming pools, fisheries, drinking water testing, and laboratory experiments. Description:*The salinity meter has two modes, arbitrarily switching between Celsius and Fahrenheit.*Not only can it detect the salt content, salt water pool and fish pond, but also the salinity of sea water and salt water pool.*It can accurately, quickly and reliably test most conventional aqueous solutions.*0‑199.9 PPT measurement index, the test head can be placed in the liquid to be tested.*Made of high‑quality ABS material, durable and wear‑resistant, not easy to damage. Specifications:Item Type: Salinity MeterMaterial: ABSWeight: Approx. 147g / 5.2ozUses: widely used in swimming pools, fisheries, drinking water, laboratoriesMeasurement Index: Salinity 0-199.9 PPTBattery Attributes: 4 x 1.5 v (AG-13) (battery not included )Hign-concerned Chemical: None How to Use: the test head can be placed in the liquid to be tested (please refer to the manual for details). Package List:1 x Salinity Meter (Battery Not Included)1 x Screwdriver1 x Manual Notes: 1. Please allowed 1-3mm differences due to manual measurement, thank you for your understanding!2. Due to the difference between different monitors, please understand that the picture may not reflectthe actual color of the item.