Specifications                               Range                         Resolution                     Accuracy (%rdg+digits)
Temperature                                  -40 to 158°F                 0.1°F/°C                         ±1.8°F (14 to 104°F)
                                                                                                                             ±3.6°F (all other ranges)
                                                     -40 to 70°C                                                       ±1.0°C (-10 to 40°C)
                                                                                                                             ±2.0°C (all other ranges)
Humidity                                          0 to 100%RH               0.1%RH                         ±3%RH (40 to 60%)
                                                                                                                             ±3.5%RH (20 to 40 & 60 to 80%)
                                                                                                                              ±5%RH (0 to 20 & 80 to 100%)
Datalogging interval:1 second to 24 hours
Memory Temperature: 16,000 points; Relative Humidity: 16,000 points
Dimensions 3.7 x 1.9 x 1.2" (94.4 x 48.9 x 31.2mm)
Weight 3.2oz (90.7g)