new arrive 2 in 1Water Quality Tester Multi-parameter with adaptor pH Meter Large screen LCD Display EC 0.01 for Aquarium     The 2 in 1 water quality monitor is professional and useful tool for testing pH / EC of solution level. Perfect for wide applications, such as beverage, fish hatcheries, food processing, aquarium, photography, laboratory, quality control, school & colleges, swimming pools, water conditions.                    Features： Separate pH and EC electrode, precise measurement. Can online monitor for a long time. Apply in water sources, aquarium, hydroponics, spas, swimming pools and other water systems. Automatic temperature compensation. Use to measure the pH / EC of solution. Easy calibration of pH and EC with just a mini-screwdriver. Large and clear LCD with backlight, easy to read and accurately measuring functions.          Specifications:      Temperature Compensation: 0°C ~ 50°C (32°F~ 122°F)      Working temperature: 0°C ~ 50°C (32°F ~ 122°F)      Length of EC/pH Electrode Line: Approx. 118cm / 46.5in      Power supply: DC 6V (Power-supply Adaptor      Plug Type: E      Battery: 4×1.5V AG-13 Button Cell Batteries (NOT Included ）     Color: Blu      Material: AB      Item Body      EC:±2%F.S      Accuracy: pH: ±0.1pH EC: 0.01 ms/cm      Resolution: pH: 0.01 EC: 0.00 ~ 19.99ms/cm                          Note:the product plug of this item is EU PLUG and if you want it as some other speciations ,pls contact us,thanks