Description 6 in 1Water Quality tester Professional Aquarium Online PH Meter Monitor Multi-parameter for test PH / Temp/ EC / CF / RH / TDS 40% off This new water quality monitor is professional and necessary tool for testing PH / Temp / EC / CF / RH / TDS of your solution level. Suitable for aquarium pool, laboratory, and environment water. Features: Widely used to measure the pH / RH / Temperature / Conductivity EC / CF / TDS(PPM) of solution/water. Imported IC and high cost performance. Test temperature in Centigrade / Fahrenheit (switchable unit). Easy calibration of pH and TDS with just a mini-screwdriver. Can online monitoring for a long time. Can work continuously more than 10 hours of power outage or outdoor without power after charging the battery for 3 hours. FCC certificated to offer safer and preciser measurement. Clear LCD with backlight, 3 results displayed simultaneously. Automatic temperature compensation. Easy to use and provides instant display of results. Apply in water sources, aquarium, hydroponics, laboratory, spas, swimming pools and other water systems. Specifications: Range: pH: 0.00 ~ 14.00pH RH: 10%RH ~ 99%RH Temp: -50 ~ 70 (-58 F ~ 158 F ) EC: 0.00 ~ 19.99EC CF: 0.0 ~ 199.9CF TDS: 10 ~ 19990ppm Resolution: pH: 0.01pH RH: 1%RH Temperature:0.1 (0.2 F) EC: 0.01EC CF: 0.1CF TDS: 10ppm Accuracy: pH: 0.1pH RH: 5%RH Temperature: 1 (2 F) EC,CF,TDS: 2%F.S Temperature Compensation: 0 ~ 50 (32 F~ 122 F) Working temperature: 0 ~ 50 (32 F~ 122 F) Power supply: DC 6V (Power Adapter Usable) Battery: 2 * NI-MH 4.8V Battery (Included) Color: Black Material: ABS Plug Type: EU / US (Optional) Input Voltage: 100~240V Item Size: 152 * 80 * 26mm / 6.0 * 3.1 * 1.0in (Excluding Conductivity Probe) Item Weight: 229g / 8.1oz (6 in 1 Meter Body) Package Size: 23.5 * 16 * 6cm / 9.3 * 6.3 * 2.4in Package Weight: 624.3g / 22.