3-in-1 PH/Salinity/TEMP Water Quality Monitor Multi-functional pH & Salinity Monitor Temperature Meter Dual LCD Display with Green Backlight The device is specially designed for long term monitoring the pH value, salinity value, and temperature of water in fish tank or aquariums. Features: Multifunctional Water Quality Analysis Device: for 24 hours real time monitoring the pH value, salinity value and temperature of the fish tank or aquariums. Compact and Easy to Install: easily hanging the water quality monitor device on the fish tank by the included brackets or fixing it on the wall via the hanging hole. It also equipped with 2 suction cups for fixing the electrode on the fish tank wall. pH Value Measuring: 0.00~14.00pH measurement range, 0.01pH resolution, and ±0.1pH accuracy. Salinity Value Measuring: 0~199.9ppt measurement range, 0.1ppt resolution, and ±2%F.S accuracy. Temperature Measuring: 0~50℃ measurement range, 0.1℃ resolution, and ±1℃ accuracy, ℃/℉ temperature unit switchable. Reliable Quality: high sensitivity electrode probe smart chip for fastly and accurately measurement, and 2 LCD screens with green backlight for displaying the pH value, salinity value and temperature clearly.   Wide Applications: perfect for seawater, horticultural and hydroponics applications where pH and salinity levels need to be continuously monitored for optimal plant growth. Specifications: Plug Type: EU / US / UK (Optional) Material: ABS Input: AC230, 50Hz(EU); AC120, 60Hz(US); AC240, 50Hz(UK) Output: DC5.7V, 100mA RANGE: pH: 0.00~14.00pH Salinity: 0~199.9ppt Temperature: 0~50°C RESOLUTION: pH: 0.01pH Salinity: 0.1ppt Temperature: 0.1°C ACCURACY: pH: ±0.1pH Salinity: ±2%F·S Temperature: ±1°C Operating Environment: 0~50°C, ≤95% Automatic Temperature Compensation: 0~50°C Power Supply: DC6V adaptor Item Size: 130 * 77 * 26mm / 5.12 * 3.03 * 1.02in   Item Weight: 422g / 14.89oz Package Weight: 570g / 20.12oz Package Size: 20.5 * 19 * 5.5cm / 8.07 * 7.48 * 2.17in Packing List: 1 * Water Quality Monitor 1 * pH Electrode 1 * Salinity Electrode 1 * Temperature Probe 1 * Mini Slotted Screwdriver 1 * Power Adapter 2 * Support Bracket 2 * Suction Cup 2 * Double-side Tape 1 * Manual (English)