1、Real Time Monitor : This PH and EC conductivity monitor can real time monitor the quality of water in fish tank aquarium. 2、Indoor Use: This pH and EC monitor is designed for indoor use and can be wall mounted or suspended from a support pole. Set up your reservoir, put the pH and conductivity probes in the solution, adjust and see. 3、Easy Calibration: You can easily calibrate pH with just a mini screwdriver which is really convenient to operate. And it is compact and easy to install and use. 4、Backlight: The product also has a large and clear LCD backlight so that it is easy to read and it has accurate test functions. 5、Applicable: This product is suitable for agriculture, aquaculture, aquarium, horticulture and hydroponics applications that require constant monitoring of pH and EC levels for optimal plant growth. Item Type: PH Detector Gross Weight: 499g/17.6oz Material: ABS Range: pH: 0.00 to 14.00pH EC: 0 to 19.99ms/cm Resolution: pH: 0.01pH EC: 0.01ms/cm Accuracy: pH: ±0.1pH EC: ±2 percents F.S Temperature Compensation: 0°C to 50°C Operating Temperature: 0°C to 50°C Power Supply: DC 6V Uses: Ideal for agriculture, aquaculture, aquarium, horticulture and hydroponics applications that require constant monitoring of pH and EC levels for optimal plant growth. 1 x Digital Conductivity Monitor 1 x Electrode 2 x Hanging Bracket 1 x Metal Wire Frame 1 x Screwdriver 1 x Power Adapter 1 x Instruction Manual 2 x Suction Cup 2 x Sticker