BALDR Weather Station Clock, Black Multi-functional: digital weather station shows indoor & outdoor temperature (/f display) & humidity, temperature trend, 12/24H switchable time, calendar and alarm, all on one clear lcd screen with backlit Weather forecast icon: patented self-calibrating forecasting pulls data from a remote sensor in your backyard Wide range data: weather station indoor thermometer range 0~50(32~122f), accuracy 1/1.5F; outdoor remote sensor range -40~60(-40~140f) Temperature trend arrow: digital thermometer have different arrows that indicate different changing trends of temperature makes you more aware of the surrounding environment Max/min record: displays the current maximum and minimum temperature & humidity recorded in the past 24 hours. Temperature display unit can be adjusted between c or f