LCD display: large LCD display, clear and precise reading of temperature and clock. The display format for 12/24 hours is optional. 8 hours weather forecast function: the snooze function can be switched off or set for 1-60 minutes. Weather forecast function for the 8 hours in the future. And low battery reminder. Automatic DCF radio timing function: In Germany, an additional automatic DCF airwave timing function is provided, which can be used in Germany and other European countries. In other countries, when using the alarm clock, this function can be ignored, which does not affect normal use. Outdoor use: 20% RH ~ 95% RH: humidity measurement. Indoor and outdoor measurement range: 20%RH ~ 95%RH Temperature measurement: temperature measurement. Indoor temperature measuring range: 9.9 (14.2 ) ~ 50 (122) measuring range for outdoor temperature: 25 (13 ) ~ 50 (122). Optional temperature unit. Outdoor thermometer ice alarm function.