Feature: 1. Separate pH and EC electrode, precise measurement. 2. Can online monitor for a long time. 3. Apply in water sources, aquarium, hydroponics, spas, swimming pools and other water systems. 4. Automatic temperature compensation. 5. Use to measure the pH / EC of solution. 6. Easy calibration of pH and EC with just a mini-screwdriver. 7. Large and clear LCD with backlight, easy to read and accurately measuring functions. 8. Automatic temperature compensation.Easy calibration of pH and EC with just a mini-screwdriver. 9. Use to measure the pH / EC of solution. Large and clear LCD with backlight, easy to read and accurately measuring functions. Specification: 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: 4×1.5V 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 Meter with EC Electrode 1 * User Manual 1 * pH Electrode 1 * AC-DC Adapter 2 * Suction Cups 1 * Bracket 1 * Mini Screwdriver Package List: 1 * pH / EC Meter with EC Electrode 1 * User Manual 1 * pH Electrode 1 * AC-DC Adapter 2 * Suction Cups 1 * Bracket 1 * Mini Screwdriver