1 * 2700 mAh ER14505 Li-SOCL2 Battery Battery Life: Around 3 Years (25°C, 10 min Interval) Provide Highly Accurate and Stable DS18B20 Temperature Sensor Probe with High-resolution Temperature Probe is Detachable for Self-calibration Store Locally 2800 Records and Support Retransmission NFC Enabled IP67 Rated Advanced Features: Data Storage / Data Retransmission / Data Retrievability / Abrupt Temperature Change Alarm Connector Type: 1 × 5-Pin M12 A-Coded Male Connector Measuring Range: -40°C ~ 125°C Accur