Wireless Temperature Sensor Model AT-S-T AT-S-W AT-S-TH Model of configurable receivers (wireless temperature displays) AT-S-X100C01; AT-S-X100C02; AT-S-X256C01; AT-S-X256C02 Transmission distance (Max. ) 800m 800m 800m Max. Transmission Power 10mW 10mW 10mW Measuring range of temperature(humidity) -30° C~70° C -30° C~70° C -30° C~70° C 0%~100%RH Overall Dimension (mm) 108*72*24 108*72*24 108*72*24 Housing material Plastic Plastic Plastic Antenna Built-in Built-in Built-in Temperature detection point 1 1 1 Measuring Accuracy ± 0.5° C ± 0.5° C ± 0.5° C ± 3%RH Resolution 0.1° C 0.1° C 0.1° C 0.1%RH Temperature sensing mode Internal temperature probe Internal temperature probe Internal temperature probe Frequency 433MHz~470MHz Working voltage 2.7V~3.6V Sleeping Mode Current < 6uA Battery life 5 years Transmitting cycle It is adjustable from 1 minute to 4 hours via remote software. It transmits temperature data automatically in a certain time interval, and sends alarm if temperature or humidity is abnormal immediately. Alarm temperature setting It can be set by remote software adjustably within measuring range.