Feature 1Bluetooth Features: The product is for Tuya APP compatible for IOS for Android mobile phones, and mobile phones and devices can transmit real time data within 10 meters. 2Humanized 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. 3Language System: Language support Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish. 4Data Export Function: PH 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. 52 in 1 Function Detection: PH TEMP value 2 in 1 function detection, to meet your different detection needs, is a very practical function.Item Type:2in1WaterQualityTesterPenWeight: 278g/9.8ozProduct Size: 32 x 3.5 x 2cm/12.6 x 1.4 x 0.8inBattery: 1 x 6F22 9V battery (shipped without battery)Scope:PH: 0.00-14.00pHTemperature: 0-50 Degree Celsius (32-122 Fahrenheit)Resolution:PH: 0.01pHTemperature: 0.1 Degree Celsius (0.2 Fahrenheit)Accuracy:PH: 0.03PHTemperature: 1.0 Degree CelsiusTemperature Compensation: 0-50 Degree CelsiusOperating Temperature: 0-50 Degree CelsiusLanguage Support: Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, SpanishSupport System: for Tuya APP for IOS for Android phoneMaterial: ABS .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