The Carefree Connects Auto Retraction Motion Sensor automatically retracts your RV awning when sustained motion occurs due to inclement weather like high winds. The sensitivity of this Motion Sensor can be easily controlled through the Carefree Connects Wireless Awning Control System app on your smartphone. The Auto Retraction Motion Sensor works with the BT12 Wireless Awning Control System (item 120956) which is sold separately.• Motion Sensor provides auto-retraction from sustained motion due to inclement weather• Adjust the motion sensitivity from the Carefree Connects app to maximize motion detection• Get an instant notification via the mobile app if auto-retraction occursAuto Retraction Motion Sensor only. BT12 Wireless Awning Control System (item 120956) sold separately. Receive instant notification via the app if auto retraction occurs Motion Sensor only works with the BT12 Wireless Awning Control System BT12 Awning Control System (item 120956) is not included | Carefree of Colorado Connects Auto Retraction Motion Sensor Only for BT12 Wireless Awning Control System