Description This 3 in 1 digital water meter combines (Total Dissolved Solids), EC (Electrical Conductivity) and temperature all in one ergonomically designed meter. Its measuring range is 0-9999 ppm with accuracy: 2%, while temperature range is 32.0-176.0F- 0.1 / 80.0C. It can be used for hydroponics, RO system, aquariums, saltwater tanks, wastewater regulation, aquaculture, laboratory and scientific testing, pools, water treatment etc. Feature - Color: As shown- Material: Plastic and metal- Size: 15.5 x 3 x 1.4cm- The water tester combines (Total Dissolved Solids), EC (Electrical Conductivity) and Temperature all in one ergonomically designed meter- The digital tester measuring range: 0-9999 ppm with accuracy: 2%, while the temperature range is 32.0-176.0F- 0.1 / 80.0C- between and Conductivity:Please touch the button- Hold Fuction: easy to read and record, press "HOLD" button then remove from test solution- Shut off automatically in 5 minutes when not working, durable battery.Packing list: 1 x Meter