Features: Can display the time and measure indoor and outdoor temperature and humidity. 433MHz RF receiving function, you can know outdoor temperature and humidity with indoor receiver. Weather forecast: sunny, slightly cloudy, cloudy, rainy and cloudburst. C / F temperature unit selectable by pressing MAX/MIN for 3s. Max/min memory for indoor and outdoor humidity and temperature, and air pressure. Perpetual calendar up to year 2099. 12/24 hour time display selectable. LCD colorful display with backlight. Moon phase display. It also has dual alarms and snooze functions, too. Wall mount or desktop optional, very convenient for use.