Power Efficient & Portablemail: More accessible 3 batteries (not included Four Variable Accuracy Measurement: This commercial hygrometer thermograph simultaneously procedures surrounding temperature, dampness, condensation point, and wet bulb temperature with high accuracy sensors; Features a temperature extent of 20~60℃/ 4~140℉ (±1.5℃/±3℉ accuracy) and 0~100% dampness extent (±5.0% accuracy at 20~80% Advanced Alarm Structuremail: Hard wearing customizable upper/lower limit alerts, this temperature dampness meter activates perceivable and visual alarms when readings top set thresholds Flexible Applicationsecond: Four thousand depots, labs, industrial settings, agriculture, libraries, and homes Fast Selection & Clear Displhello: With 8 readings per second and three updates per secondary screen, this digital hygrometer furnishes live data, Manufacturer: ZUJIABAO