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. Item Type: Bluetooth Pool Monitor Material: ABS Model: BLE YC01 Battery: 3 x 1.5V AAA battery (without battery) Basic Parameters: PH: 0.1-14.0ph CL: 0.1-4.0mg/l EC: 0-1990μS/cm, 2000-10000μS/cm, 10.01-20.0mS/cm TDS: 0-999ppm, 1000-9990ppm ORP: -1200 to +1200mV Temperature: 0.1℃ to 80.0℃, 32.1℉ to 176.0℉ Chlorine: PH: 6.8 4.0 9.2 or 7.0 4.0 10.0 EC TDS: 1413μS/cm, 12.88mS/cm ORP: 256mV 1 x Bluetooth Pool Monitor 1 x Handle 1 x Use Manual 5 x PH Reagent