SIMPLE OPERATION. Operate using 2 buttons only. Temperature reads in C/F. It responds quickly and shuts down automatically when not in use. PORTABILITY. It's small enough to put it in your pocket without any problem. You can carry it anywhere anytime. STABLE & PRECISE. comes with high precision sensor, quick response, high stability readings, plus it has MAX/MIN measurements and freezes readings when you want to. BACKLIGHT LCD DISPLAY. Dual large display of Temperature & Humidity with Backlight. You can see the reading even in a dark environment. WIDE APPLICATIONS. It can measure a wide range of temperature and humidity at once, it's best fit in agriculture, meteorology, household, lab, warehouse, air conditioning system, quallity control and other applications that require monitoring and instant checking of humidity and temperature