Taylor Precision Products Digital Deluxe Weather Forecaster Indoor (32-122 degrees F/0-50 degrees C) and outdoor (-4-140 degrees F/-20-60 degrees C) temperatures Lower outdoor temperatures achievable with lithium batteries; indoor and outdoor humidity Temperature and humidity Min/Max Recall and trend indicators; comfort index; barometric pressure readings and history chart Weather forecast icons; ice alert; calendar with clock and touch snooze alarm; Moon phases Blue backlight on LCD screen for enhanced readability during night hours; wireless remote sensor with LCD screen transmits up to 200 ft.