Accurate and In An Instant temperature at your fingertips. La Crosse Technology temperature station receives outdoor values within seconds from a 330 ft distance. Also, monitors indoor temperature(°F). * Blue compact wireless indoor/outdoor thermometer * Outdoor temperature delivered in seconds at a distance of 330 feet * Quick and easy setup * Receiver dimensions: 3.25L x 2W x 4.5H inches * Sensor dimensions: 1.25L x 75W x 3.5H inches