Product features: Room temperature Indoor humidity MIN/MAX records Temperature display temperature trend Time and weather projection (cannot be rotated) Weather forecast (based on indoor temperature and humidity ) Wake-up and snooze function Color backlight Feature: -Projection function from the device: when you wake up, you can easily check the time from the wall or the ceiling. - Large digital color LCD display: easy and clear to read anywhere in the house . - Indoor temperature and humidity measurement: Data-based weather forecast. - Maximum/minimum temperature and humidity record. -Time format 12H/24H; C/F temperature display. - Alarm clock (on/off) and snooze function. Product specifications: -Color: Black -Display: Color LCD Product size: 11.6 x 6.5 x 14.5 cm. - Measurement temperature range: 0C~50C / 32F~122F - Temperature resolution: 1C - Temperature measurement range humidity: 20%-99% -Calendar: 2001-2099 Notice: When the clock is powered by a 4.5 V adapter, projector and screen are always on; when powered by batteries (not included), you need to press LIGHT to turn on the screen