1. Real Time Data Transmit: The product is for Tuya APP, compatible for IOS for Android mobile phones, phones and devices can transmit real time data within 10 meters.2. Rational Design: The product instrument in the case of no operation, disconnect Bluetooth, 8 minutes automatic power off, when the instrument is needed to test, open the Bluetooth system automatic connection, better humanized.3. Support Language: Language support Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish.4. Data Export Function: PH support 6.86 4.01 9.18 7.00 4.00 10.00. Two correction modes. Support email data export every hour, daily, weekly, and monthly.5. 5 in 1 Function Test: Supporting test EC TDS SALT SG TEMP value, 5 in 1 water quality test pen, meets your daily testing needs and provides you with convenience.2 in 1 Function Detection: PH TEMP value 2 in 1 function detection, to meet your different detection needs, is a very practical function.Specification:Item Type: 5 in 1 Water TesterMaterial: ABSProduct Size: 32.5 x 3.5 x 2cm or 12.6 x 1.4 x 0.8inBattery: 1 x 6F22 9V batteryScope:EC: 0-19900us or cm, 0-199.0 ms or cmTDS: 0-19900ppm, 0-199.0pptSALT: 0-199.0ppt, 0 percent -20 percent S.G: 1.000-1400Temperature: 0-50 (32-122)System: for Tuya APP for IOS for Android phonesColor: greenMaterial: ABSPackage Contents:1X Water Quality TesterOnly 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.