Wireless Indoor and Outdoor Weather Station - Wireless Digital Thermometer - Temperature and Humidity Forecast Station with Color Alarm. All-in-one wireless LCD weather station: Weather and humidity information, minimum and maximum temperature recording, 12/24-hour format, and two alarms with snooze function. It also includes a temperature alert, a trend arrow, a calendar, a reception display, and a low battery indicator. Color forecast station: The color display offers three different brightness settings, making it easy to read information depending on your lighting level. Six-icon weather forecast display with wireless sensor. Weather clock: This outdoor wireless weather station is equipped with a wireless sensor (range up to 60 meters) and uses seven color icons. The weather symbols indicate weather fluctuations outside the following periods, not the power required: two AA batteries (not included) or a USB cable (batteries not included). Two mounting options are available: a hole on the back allows for wall mounting, or the indoor and outdoor thermometer can be placed on a table or desk. Wireless Outdoor Sensor: Wall or table mount; includes a wireless heat sensor; 433.92 MHz RF transmission frequency; 60 meters range in open space. The weather station only supports one wireless sensor. Power Supply: 2 AA batteries (not included). Power Adapter Input: USB 5V DC (power adapter not included). Wireless Outdoor Sensor: Batteries: 2 LR6 AA batteries (not included).