Feature: 1. Automatic Data Saving: Data is automatically stored and shared, the saved data can be exported to a table, and can also be shared with your friends. 2. Simultaneous Display: Just immerse the electrode in the solution to be tested, the data will be synchronized to the mobile APP, and multiple data will be displayed at the same time. 3. Convenient and Fast: It is convenient, quick, easy to use, and does not require frequent operation of the water quality test pen to check the data. 4. Highly Sensitive Electrode: It adopts highly sensitive electrode and insert probe design, which can be disassembled and replaced. 5. Wide Uses: Widely used in drinking water, sewage treatment, water purification, fish tank, aquaculture, swimming pool, hydroponics, etc. Specification: .Item Type: Digital Water Quality Meter Material: ABS ATC: 0.1℃ to 60℃ Working Environment: 0.1℃ to 80℃, RH: 90% Maximum Waterproof Grade: IP67 Battery: 3 x Lr44 (Battery Not Included) Weight: Approx. 156g / 5.5oz Package List: 1 x Digital Water Quality Meter (Battery Not Included)1 x User Manual