Feature 1PROFESSIONAL DESIGN With ATC temperature automatic compensation function, it can measure the current pH value of the water more accurately. 2MULTI PURPOSE Supports simultaneous display of pH and salinity, which can more comprehensively measure the overall situation of the current water. 3BEAUTIFUL APPEARANCE With a stylish appearance design, it can perfectly blend into the surrounding environment style without appearing superfluous. 4DIGITAL DISPLAY DESIGN Supports backlight display, its display value is clear, it is convenient for you to easily measure and record the data. 5HIGH QUALITY MATERIAL Made of ABS high quality material, it is strong, stable and durable, not easy to damage, and has a long service life.Item Type: Water Quality TesterWeight: Approx. 557g / 19.6ozMaterial: ABSRange: PH 0.00~14.00, Salinity: 0~199.9pptResolution: PH 0.01PH, Salinity: 0.1pptAccuracy: 0.1pH, Salinity: 2%F.SPower Supply: DC 6VTemperature Compensation: 0C~50CWorking Temperature: 0C~50CProduct Size: Approx. 130x77x26mm / 5.1x3.0x1.0in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Detector1 x Probe1 x Adapter4 x Accessories1 x Manual