Item Type: Water Quality Tester <br>Product Material: ABS <br>Weight: Approx. 155g / 5.5oz <br>Product Size: Approx. 18 x 4 x 1.5cm / 7.1 x 1.6 x 0.6in <br>Battery: 2 x CR2032 Button Battery (Shipped Without Battery) <br>Scope: <br>EC: 0-19900us/cm 0-199.0 ms/cm <br>TDS: 0-19900ppm 0-199.0ppt <br>SALT: 0-199.0ppt 0% -20% <br>SG: 0.990-1.400 <br>Temperature: 0°C-50°C (32°F-122°F) <br>Resolution: <br>EC: 1us/cm (<1999us/cm), 10us/cm (>1999us/cm), 0.1ms/cm <br>TDS: 1ppm (<1999ppm), 10ppm (>1999ppm), 0.1 ppt <br>SALT: 1ppm (<1999ppm), 10ppm (>1999ppm) <br>Accuracy: EC, TDS, SALT: ± 2% F.S <br>Temperature Compensation: 0°C-50°C <br>Working Temperature: 0°C-50°C <br>Language Support For Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish<br>1、Better Humanization: When the water quality tester is disconnected from Bluetooth without operation, it will automatically shut down in 8 minutes. When the water quality tester needs to be tested, the Bluetooth system will automatically connect, making it more user friendly. <br>2、Bluetooth BT Features: The water quality tester is compatible for IOS and for Android phones, support for Tuya APP. The phone and device can transmit real time data within a distance of 10 meters. <br>3、Reliable Performance: Water quality testing pen supports email data export function, sent hourly, daily, weekly, and monthly in the form of email. <br>4、Supported Languages: Language support for Chinese, Traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish. <br>5、5 in 1 Function: Water quality testing pen has EC TDS SALT S.G TEMP five in one function detection, providing you great using experience.<p>1 x Water Quality Testing Pen&nbsp;</p><p>1 x Manual</p>