Feature 1Real 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. 2Rational 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. 3Support Language: Language support Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish. 4Data 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. 55 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.Item Type:5in1WaterTesterWeight: 277g/9.8ozMaterial: ABSProduct Size: 32 x 3.5 x 2cm/12.6 x 1.4 x 0.8inBattery: 1 x 6F22 9V battery (shipped without battery)Scope:EC: 0-19900us/cm, 0-199.0 ms/cmTDS: 0-19900ppm, 0-199.0pptSALT: 0-199.0ppt, 0%-20%S.G: 1.000-1400Temperature: 0-50(32-122)Language Support: Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, SpanishSystem: for Tuya APP for IOS for Android phones .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Water Quality Test Pen1 x Instructions1 x Storage Bucket