Transmission range to 197 feet Internal and external temperature strip: -20 and 60 60 c Moisture track: 0%99% Temperature tolerance: 0.5.c. Moisture tolerance: rh 2% rh Backlit touch button, switch off automatically after 15s Mounting options: One. with the biult-in magnet you can put it in the refrigerator or on many metal surfaces. 2. Hanging a hole in the back makes it easy to hang the sensor anywhere. THREE. or simply putting it on your desktop. Backlit LCD Display: -The lcd scree