WeatherSpy WSC-11, a multi-function, wireless Weather Station- Indoor Outdoor Thermometer - Digital Hygrometer-Barometer- Digital Alarm Clock-Electronic Calendar. A digital Weather Station with Indoor Humidity Monitor and Indoor Outdoor Temperature Clock serving as a Home Weather Station wireless with over 300 feet remote sensoring . A perfect gift for use in baby's room, classroom, home office, daycare center, wine cellar, elderly room, computer server room, or wherever you need to keep a good tab on ambient temperature and humidity.The 4" LCD screen with backlight makes for easy night time read. At a glance, 4" LCD screen with backlight shows weather forecast icons, to quickly tell if it is going to be rainy, sunny, cloudy, snowy, how cold, how hot, and how humid. Integrated Wireless sensors(can receive up to 3 sensors) easily monitor indoor humidity for baby's room, server computer closets, elderly care room, wine cellar, mechanical rooms, and any areas where environmental conditions matter. Can be free standing or wall mounted. Digital alarm clock with electronic calendar to help as reminders for medication for the elderly Records Min /Max Humidity and Temperature. Portable, weighing less than 9 ounces, packaged in glossy gift box Indoor Humidity Range 20% to 99% RH. Provides Storm Alarm and Time Alarm.Visual Weather Forecast and Moon Phase display icons, advanced Technology carries both RoHS and CE certifications.RECEIVER uses 2AA batteries, OUTDOOR SENSOR 2 AAA alkaline batteries(not included)