[ 7 in 1 water quality tester]Professional measure pH, , TDS(), ORP, , RH, Temp meter , The measurement units can be switched on the screen with one click. [Wifi Tuya APP Connected]Accurate real-time Wifi data transmission and clear measured values easy to save, manage and share test data without worrying about data loss. [Multifunctional removable electrode]One electrode can measure 7 kinds of values:PH/ORP////humidity/temperature, Corrosion-resistant probe with rapid measurement response. [LCD Backlight Display]Multi-parameter display at the same time, LCD backlight display for clear reading, support night monitoring [Wide Applications]Apply in water sources, aquarium, hydroponics, laboratory, spas, swimming pools, and other water 1. Specifications: pH: 0.00 ~ 14.00pH : 0.00~20.00mS/cm : 0.1 ~ 199.9CF TDS: 0 ~ 9999ppm Temperature: 0.1C-60.0C,32.1F-140.0F ORP: -1200mV~+1200mV Humidit(air): 10%RH-99%RH 2. Resolution pH: 0.01pH : 0.01mS/cm : 0.1CF TDS: 1ppm Temperature: 0.1C/0.1F ORP: 1mV 3. Accuracy pH: 0.5pH : 2%F.S : 2%F.S TDS: 2%F.S Temperature: 0.5C ORP: 5 mV 4.: 0.1-60.0 5.Working temperature: 0 ~ 50 (32 ~ 122) Plug Type:EU Plug,it applies to Indonesia, , , , and so on Voltage: AC220V color:Black :plastic Package Contents: 1 x display 1 adapter 1 x electrode Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.