sienoc temperhum pc laptop usb sensor thermometer temperature data logger recorder home care wholesale <p>powered by usb</p> <p>temperature range: -40° ~ 120°</p> <p>humidity range: 0 ~ 100%</p> <p>email remote viewing</p> <p>view data directly (without software installation) through caps lock key</p> <p>manufacturer specifications</p> <p>primary function: thermometer + hygrometer</p> <p>battery size + life: usb powered</p> <p>os: support windows 2000/xp/vista/7</p> <p>range of temperature: -40~+120 degree celsius</p> <p>range of humidity: 0~100%rh</p> <p>dimensions: 59 x 17 x 7mm</p>