4-in-1 9908 Water Quality Test Pen Ph/tds/ec/temp Portable Bluetooth Tester for Drinking Aquariums Backlight

Description

Mobile APP intelligent control: data synchronous full display, product parameter view, data automatic storage, calibration record, function setting. Save, export and share data, and display data synchronously. Set the measurement maximum or minimum value. Adjustable with/without backlight. Highly sensitive electrode head. Functions: PH, EC, TDS, Temperature.