Widely applied in medical, electronic, food, transport, agricultural, chemical, textile, meteorological, environmental protectio Data Logger DL1155Measuring range Temperature :-40~85°C (-40~185°F) Humidity 0~100%Accuracy Temperature :±0.6°C(-20~50°C) ±1.2°C(-40~-20°C,51~85°C)Humidity :±3%Resolution 0.1°C/0.1°F,0.1%Sample data 16000Power supply 4 pcs x AA Battery