Feature:1. [Multi Function] Our smart monitor could test PH CL EC TDS ORP and temperature, adopts high sensitive glass probe, the detection is accurate and reliable.2. [Bluetooth Connection] Accurate real time data transmission allows you to easily save, manage and share test data without worrying about data loss.3. [Large Screen] Large LCD screen can display multiple parameters at the same time, and mobile phone APP can control backlit display.4. [Parameter Setting] Parameters can be customized through APP, you can set the upper and lower limit values, when the set value exceeds the test range, APP interface will display a red value to prompt.5. [Wide Use] With a wide range of measurement, the smart tester is applicable to swimming pools, domestic drinking water, hydroponics, laboratories, aquariums.Specification:Item Type: Bluetooth Pool MonitorMaterial: ABSModel: BLE YC01Battery: 3 x 1.5V AAA battery (without battery)Basic Parameters:PH: 0.1-14.0phCL: 0.1-4.0mg/lEC: 0-1990S/cm, 2000-10000S/cm, 10.01-20.0mS/cmTDS: 0-999ppm, 1000-9990ppmORP: -1200 to +1200mVTemperature: 0.1 to 80.0, 32.1 to 176.0Chlorine: PH: 6.8 4.0 9.2 or 7.0 4.0 10.0EC TDS: 1413S/cm, 12.88mS/cmORP: 256mV.Package List:1 x Bluetooth Pool Monitor1 x Handle1 x Use Manual5 x PH Reagent