Digital Water Tester Pen 4 in 1 Accurate Sensitive Portable PH EC Temperature Water Quality Meter

[ ] Digital water tester designed for PH, , EC conductivity, temperature 4 functions, one key , easy to operate and use. [Multi Application] Water quality test pen is suitable for home drinking water, aquaculture, swimming pools, aquariums, greenhouse flowers and plants, laboratories, etc. [Backlight Display] This digital water tester pen automatically starts the backlight display, to that the dim environment can also see the value. Item Type: Digital Water Tester Pen Material: ABS Size: Length: Approx. 150mm Celsius 5.9in, Width: Approx. 29.5mm Celsius 1.2in Gross Weight: Approx. 123gCelsius4.3oz Battery Type: Built in Button Battery (Shipped with Built in Button Battery) Battery Model: LR44 Battery Capacity: 150mAh x 2