This innovative drop ceiling fan is a great alternative to conventional ceiling fans, especially when head room is a concern. Simple 2 wire electrical hook up and installs into standard 2' x 2' ceiling grids with no additional mounting hardware. Whisper quiet yet powerful DC motor is perfect for all environments. Remote control, 9 fan speeds and rotating louver for directional or circulating breeze. Low power consumption of only 30 watts.An electrician may be required to properly install this fan.Note: Protection box is not included. 16" fan blade; 9 fan speeds; Air Volume: 3358CFM 1 to 7 hours off-timer Remote control Oscillating or fixed direction Requires 11.81 inches of clearance above the grid MODEL NO - SF-1691C