3in1 Water Quality Detection Pen

**1. 🌟 1.3 in 1 Digital TDS meter can provide accurate readings of TDS, EC and temperature. 🌡️**

**2. 🧐 The TDS instrument has automatic temperature compensation in the measurement mode. 🔥**

**3. 💤 5 minutes automatic shutdown. Save power and extend battery life. 🪫**

**4. 🔄 Multi mode conversion: there are 4 different modes for the TDS and EC instrument. Press shift to switch between different modes. 🕹️**

**5. 💾 Mode memory function. Each startup mode is the default mode used before shutdown. 🔙**

**Packing list: 📦**

**1* TDS Meter Digital Water Tester 💧**

**1* User Manual 📖**

**1* Leather Case 🧰**