1. Temperature and Humidity Functions: Temperature and humidity readings show directly. The upgraded version has an external sensor, which can place the sensor line outdoors, and can display indoor and outdoor temperature at the same time.(Sensing line length : 1.3 M) 2. Time Function: Besides the basic time display, these item also has alarm clock and calendar display (month and date) 3. The upgraded version has Memory Function: When pushing the button MEMORY , it could display the memory of temperature and humidity maximum and minimum (Note: This feature is only available in the upgraded version, not in the regular version) 4. Simple Design: With the little bracket on its back side ,it is easy to place and carry

Type 1 Material: ABS Color: White+Balck Item dimensions: 103 x 93 x 21.5mm Measuring Temperature range:  -10°C~+50°C (14°F~+122°F)   Measuring Humidity range: 10%~99% RH