Milesight IoT Temperature Sensor TS201-868M V2-TH - 1 * 2700 mAh ER14505 Li-SOCL2 BatteryBattery Life: Around 3 Years (25°C - 10 min Interval)Provide Highly Accurate and Stable DS18B20 Temperature Sensor Probe with High-resolutionTemperature Probe is Detachable for Self-calibrationStore Locally 2800 Records and Support RetransmissionNFC EnabledIP67 RatedAdvanced Features: Data Storage / Data Retransmission / Milesight D2D Controller((TH Version Only)Data Retrievability / Abrupt Temperature Change AlarmEquipped with indicator to indicate device status and threshold alarms (TH Version Only) Connector Type:1 × 5-Pin M12 A-Coded Male ConnectorMeasuring Range:-40°C ~ 125°C (-40°F ~ 257°F)Accuracy:Temperature Version-± 0.5°C(-10°C ~ 85°C) - ± 2°C(-40°C ~ -10°C - 85°C ~ 125°C)TH Version-± 0.3°C(-40°C~ 0°C)± 0.2°C(0°C~ 60°C)± 0.5°C(60°C~ 125°C)Operating Temperature:TS201 Device: -30°C ~ 55°C (-22°F ~ 131°F)Relative Humidity:0% to 95% (Non-condensing)