4 in 1 Digital Water Tester TDS Meter 0-9990 PPM Water Quality Tester Pen With Backlight LCD Display for Pools Drinking Water A

High-concerned chemical : None Brand Name : APWIKOGER Origin : Mainland China Origin : Mainland China Material : Plastic TDS Range : 0 - 5000 ppm; 0-8560 ppm Temperature Range : 0-55°C(32°F-130°F) Accuracy : +/- 2%