* Range of humidity ': 10% ~ 99% RH
* This is' a multi-function tool that can 'display temperature, time and humidity' at the same time.
* It also has alarm and calendar functions.
* Put the device on a desk or hang on a wall.
* Low power consumption: 1 x AAA battery 1.5 (Free).
* Product size: 100 x 108 x 20mm.
* Weight: about 160g.
* Contents: 1 x LCD digital thermometer