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. 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 Working temperature: 0-50 Length of EC/pH Electrode Line: . 118cm/46.5in Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC 220V Color:As shown Material:plastic Package Contents: 1 * Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.