7-in-1 Outdoor Sensor: The 7-in-1 outdoor sensor consists of rain funnel, solar panel and transmission module, wind vane and high-speed anemometer. Long range weather stations' wireless sensors connect to the console up to 300 feet away. Most applications are limited to 100 feet due to buildings, walls, and interference and the wireless signal will not pass through solid metal. The main power source for the sensor is a solar panel, with optional battery backup, the sensor array requires 3 AAA batteries (not included).