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: Range: pH: 0.00 14.00pH EC: 0.00 19.99ms/cm Resolution: pH: 0.01pH EC: 0.01 ms/cm Accuracy: pH: 0.1pH EC:2%F.S Temperature Compensation: 0 50 (32 122) Working temperature: 0 50 (32 122) Length of EC/pH Electrode Line: Approx. 118cm / 46.5in Power supply: DC 6V (Power-supply Adaptor) Plug Type: EU Battery: 41.5V AG-13 Button Cell Batteries (NOT Included) Color: Blue Material: ABS Item Body Size: Approx. 75 * 55 * 28mm / 2.9 * 2.2 * 1.1in (Excluding the EC Electrode) Item Weight: Approx. 96.3g / 3.4oz Package Size: Approx. 21 * 10.4 * 5cm / 8.3 * 4.1 * 2.0in Package Weight: Approx. 337.2g / 11.9oz Package List: 1 * pH / EC Meterwith EC Electrode 1 * User Manual 1 * pH Electrode 1 * AC-DC Adapter 2 * Suction Cups 1 * Bracket 1 * Mini Screwdriver Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.