The KICKR HEADWIND is the first ever smart fan, designed with the cyclist in mind. Its Targeted Airflow Pattern mirrors the shape and position of a cyclist's body while riding. The KICKR HEADWIND is sensor controlled so as your speed or heart rate increases, so will the fan speed, and there are also 4 manual speed settings should you want to set your own ideal airflow. With speeds of over 30 mph (48 kph), the KICKR HEADWIND will keep you cool during the toughest training sessions. FEATURES Powerful Airflow Targeted Airflow Pattern Sensor Based Fan Control App Based Fan Speed Control 4 Manual Fan Speeds KICKR Desk Compatible SPECS Part Number: WFBKTR7US Motor Spec: 120v 60hz Dimensions (leg tucked): 16"L x 12"W x 19"H Dimensions (leg extended): 18"L x 12"W x 19"H Weight: 12 lb Max Fan Speed: 30 mph/48 kph Wireless Software Updates: Yes Connectivity: Bluetooth - Pair to phone to control the fan speed via app ANT+ - Pair to speed sensor, heart rate monitor, or smart trainer to control fan speed Adjustable Leg: Yes - 2 Positions