Power Supply: 2×3500mAh ER18505M Li-SOCl2 Batteries Support Obtaining the Current Device Location Based On The Base Station Signal Support Compartment/Cargo Box Opening Detection to Avoid Theft Supports Tilt Detection. Abnormal Tilt will Trigger An Alarm Support Set to Flight Mode, Meet Aviation Safety Requirements. Support OTA Remote Upgrade Operation Features High Resolution OLED Display, Enabling Intuitive Data Reading. Supports Optional Various Types of High-accuracy Temperature and Humidity Probes, Including TH, DS18B20, and PT100. The TH and DS18B20 Probes Support ID reporting, Detachable for Self-calibration. IP67 Rated Temperature Range: B05-125-200: -40°C~125°C AF10-125-150: -40°C~125°C A05-500-150: -50°C~500°C A03-050-150: -200°C~50°C TH: -40°C ~ 125°C DS18B20: -40°C ~ 125°C Accuracy: B05-125-200: ± 0.5°C (-40°C~40°C), ± 1°C (40°C~125°C) AF10-125-150: ± 0.4°C A05-500-150: ± 0.5°C A03-050-150: ± 0.5°C (-175°C~50°C), ± 0.55°C (-200°C~-175°C) TH: ± 0.3°C ± 0.3°C (-40°C~0°C), ± 0.2°C (0°C~60°C) ± 0.5°C (60°C~125°C) DS18B20: ± 0.5°C (-10°C~85°C), ± 2°C (-40°C~-10°C, 85°C~125°C) Humidity Range: 0% ~ 100% RH Accuracy: ± 2%