Temperature range:-20.0~60.0(-4.0~140.0) Humidity range:0.0% ~99.9%RH Our Digital Moisture Detector designed with Large easy-to-read Backlit LED screen, and Hold key-freezes readings. Moreover, it features Memory function,Max-/Min- moisture measurement,Temperature in C-F display and Automatic Power-off in 10 minutes without operation. The detector for wood, firewood-, brick, paper, floor, plaster, etc. The moisture meter is a great tool for homeowners, woodworkers, floor installers, and inspectors., Manufacturer: MMHHHG