... ,IP67 waterproof 2.LCD display show T+H,high/low and alarm 3.Work 1year constantl Welcom vist our ... and various features such as simple operation, reliable capability, low power consumption, data reserved even if under the circumstance ... RatingIP67Logging rate2s ~ 24hWeight150gAccessoriesTo Analyzer software,User Manual, Battery. Economical refrigerated truck use temperature humidity data logger