Wireless system: Specific low-power radio ARIB STD T-67 Radio frequency: 429MHz band Storage temperature range/Storage humidity range: -20 to 60℃/10 to 90%RH Protective structure: IP64 dust-proof and water-resistant structure Measurement temperature range (℃): -200.0 to 400.0 Temperature minimum display (℃): 0.1 宽度(mm):119 深度(mm):33 高度(mm):109 电源(V):2 x碱性AA电池 传感器:电阻温度检测器PT100