Temperature and Humidity Station - Weather 300... This weather station displays humidity, temperature, and precise time. Its sleek design is a perfect fit for any desk or work area. Three channels allow for monitoring the temperature and humidity in up to three remote locations. Indoor temperature and humidity; For Outdoor humidity, an additional temperature and humidity sensor is required (like THGR122NX); Ice Alert with Green LED light; Daily Hi/Lo memory for indoor and outdoor temperature and humidity; Self setting Atomic clock/Calendar; Backlight; L x W x H: 2.87 x 1.85 x 5.22 in; Weight: 8.5 oz without battery; Batteries required, not included: 3 x AA.