Features:
* Measure and display the indoor/outdoor temperature and indoor humidity
* Automatically memorize the Max. /Min. Values of the indoor/ outdoor temperature and indoor humidity
*Switch between C /F
* Clock function and alarming function
* 12/24 hour mode switch
* 8 minutes snooze function
* Recovery function on the Max. /Min. Values
Technical parameters:
* Indoor temperature measuring range: -30C+50C(-22F+122F)
* Outdoor temperature measuring range: -50C+70C(-58F+158F)
* Indoor humidity measuring range: 20% TO 99% (Relative humidity)
* Resolution: Temperature: 0.1C; Humidity: 1% RH
* Power supply: One 7# alkaline battery
* Operation environment: Temperature: 0C+50C; Humidity: 5%+85% RH