1、Multi parameter water quality monitor, supports measuring ORP, PH, temperature, conductivity EC, CF, TDS parameters. 2、The clear LCD display with backlight can display 3 results at the same time, which can be monitored online for a long time. 3、Suitable for water sources, aquariums, hydroponics, laboratories, spas, swimming pools and other water systems. 4、Portable digital water quality monitor, stable performance, easy to use and provide instant visualization of results. 5、High measurement accuracy, high resolution, the ORP is correctable, and it is suitable for water quality testing. Item Type: Water Quality Tester Material: ABS Weight: Approx. 850g / 30oz Range: PH: 0.00-14.00pH (ORP: 0-±1999MV) EC: 0.00-19.99EC CF: 0.0-199.9CF TDS: 10-19990ppm Resolution: PH: 0.01pH (ORP: 1MV) EC: 0.01EC CF: 0.1CF TDS: 10ppm Accuracy: PH: ±0.1pH (ORP: 5MV) EC, CF, TDS: ±2%F.S Power Supply: DC 6V Battery: Built in 2 sets of Ni-MH battery 110mAH (built in battery) Product Size: Approx. 152x80x26mm / 6.0x3.1x1.0in 1 x Tester 2 x Probe 1 x Connection Line 1 x Adapter 2 x Suction Cup 1 x Screwdriver 1 x Plastic Bracket 1 x Manual 1 x Suitcase