SunSetter Awning Wireless Wind Sensor for SunSetter Motorized Awnings The Wireless Wind Sensor: Monitors the effect of the wind on your awning and closes it automatically when necessary. You set the sensitivity. This Wind Sensor is factory refurbished to "Like New" condition, with full 5-Year Manufacturers Limited Warranty. Attaches directly to awning (no wires). Battery powered, made by Somfy.