Pioneer Air Curtain, 36" Coverage (3 Feet), Heavy Duty Commercial Design, High Velocity, Includes Remote Control and Door Switch 36 Inch Wide Coverage (3 Feet Wide) Super Heavy Duty Industrial Design 110-120V Standard Power Plug. Suitable for up to 10 Foot High Doors 30 foot per second high velocity air flow (2 speed) Wireless Remote Transmitter & Free Door Switch Included