Track temperature, humidity, and barometric pressure using this Wireless Multi-zone Weather Station/Alarm Clock from Monoprice! This weather station features built-in temperature, humidity, and barometric pressure sensors, as well as a remote temperature/humidity sensor so you can see both the indoor and outdoor environmental conditions. Although only a single remote sensor is included, the weather station can pair with up to three remote sensor for displaying the temperature/humidity readings from different locations. The remote sensor has a clear air range of about 98 feet (30 meters). The weather station tracks and displays changes in barometric pressure and uses the trends to forecast expected weather conditions. It also tracks the minimum and maximum temperature and humidity readings, which you can view by pressing one of the function buttons. It includes two individual alarms and a five minute snooze function. The weather station/alarm clock requires 3x AA batteries. The remote sensor requires 2x AAA batteries. Batteries are NOT included. Features: Temperature displayable in °F or °C 0.2°F (0.1°C) temperature resolution +32 ~ +122°F (0 ~ +50°C) indoor temperature range with 0.1° resolution -4 ~ +140°F (-20 ~ +60°C) outdoor temperature range with 0.1° resolution 20 ~ 90% humidity range with 1% resolution 433MHz transmission frequency on one of three different channels Up to 98 feet (30 meters) range for remote sensor (in clear air) Stores minimum and maximum temperature, humidity, and barometric pressure levels Displays one of four different weather conditions: Sunny, Partly Sunny, Cloudy, and Rainy Displays temperature, humidity, and barometric pressure trends Two alarms Displays the moon phase Battery powered, no AC outlet required Backlit LCD display Low battery indicator for both the weather station and the remote sensor