[ 7 in 1 water tester]Professional measure pH, , TDS(ppm), ORP, , RH, Temp meter , The measurement units can be switched on the screen with one click. [Wifi Tuya APP Connected] real-time Wifi data transmission and clear measured values easy for you to save, manage and share test data without worrying about data loss. [Multifunctional removable electrode]One electrode can measure 7 kinds of values:PH or ORP or or PPM or or humidity or 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 or cm : 0.1 - 199.9CF TDS: 0 - 9999ppm Temperature: 0.1C-60.0C,32.1F-140.0F ORP: -1200mV-and1200mV Humidit(air): 10 percent RH-99 percent RH 2. Resolution pH: 0.01pH : 0.01mS or cm : 0.1CF TDS: 1ppm Temperature: 0.1C or 0.1F ORP: 1mV 3. Accuracy pH: 0.5pH : 2 percent F.S : 2 percent F.S TDS: 2 percent 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 Material:plastic Package Contents: 1 x display 1 adapter 1 x electrode Only the above package content, other 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store