[Tuya Smart WIFI Online PH ORP Controller]: Download "Tuya" APP, WiFi connection/intelligent real-time data transmission, you can view the current data, historical data, abnormal high and low data alarms on the mobile phone, etc. Connect to your phone in seconds and you can get PH and ORP readings. It makes testing more accurate and convenient.[Easy Operation]: Can detect Ph/ORP/Temperature at the same time, Immersed the electrode of the tester in water and waited for a few seconds to get the data on the LCD screen. No need to match colors one by one like test strips. The operation is simpler and more convenient. Support mobile APP one-button backlight control, easy to read even in dim light.[APP real-time monitoring]: Record data for a long time, easy to compare and analyze and formulate solutions, compatible with iOS and Android systems. Set the high and low alarm value, if the set value is exceeded, it will alarm.[High-precision replaceable Electrode, wide application range]: suitable for swimming pools And spa, koi fish pond, also suitable for aquarium, sea water, marine/salt water fish tank PH & ORP test.[Product use safety]: Fuse Protection, When the current is abnormal, it reaches a certain height, it will cut off the whole circuit and play a protective role1. Measuring range: PH: 0.00-14.00PH; ORP: -2000 ~+2000mV; TEMP: 0-50C (32F-122F)2. Alarm setting range: PH 0.00-14.00PH; ORP-2000 ~ 2000mV3. APP Name: Tuya4. OS Requirement: Compatible with iOS and Android system5. Resolution: pH: 0.01pH;ORP: 1mV;Temperature: 0.1(0.2)6. Accuracy: pH: 0.1pH; ORP: 5mV; Temperature: 1.07. Alarm Setting Range: pH: 0.00~14.00pH8. Operating Temperature: 0~50 (32~122)9. Length of Sensor Line: 2m / 6.56ft10. pH/ORP/TEMP Controller Size: 160 x 95 x 40mm / 6.30 x 3.74 x 1.57in (Excluding Electrode Connector)11. Control Socket Size: 130 x 65 x 53mm / 5.12 x 2.56 x 2.09in (Including Fuse)12. Item Weight: 872g / 1.92lbPlug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so onVoltage: AC220Vcolor:Blue+whiteMaterial:plasticPackage Contents:1 x 3 in 1 Water Quality Tester1 x pH Electrode1 x ORP Electrode1 x Temperature Electrode2 x Suction Cup4 x ScrewOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.