It can detect temperature and humidity and display on the screen The alarm supports 10 languages, namely Chinese, English, German, Russian, Spanish, Polish, Italian, French, Portuguese, Greek. sensor on the window or door. If you open the door or window, it will trigger the alarm It has multiple setting modes, you can set it as home mode when you are at home, and set the outing mode when you go out, etc. No matter where you are, you can remotely arm, disarm, set arming functions, etc. to escort your home., Manufacturer: RFGTHY