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.Features and Functions- 16" fan blade- 9 fan speeds- 1 to 7 hours off-timer- DC fan for 45% energy saving- 100-277V input voltage for convenient installation- Remote control - Oscillating or fixed direction- Requires 11.81 inches of clearance above the grid- Projects 5.25 inches below the grid - ETLSpecificationsInput voltage: 100-277VPower consumption: 30WCFM (Hi/Med/Low): 3360CFMRPM (Hi/Med/Low): 927 +/- 10%Noise level (Hi/Med/Low): 58dBFan blade: 16 inchesUnit dimension: 23.74 x 23.74 x 9.53 inchesPackage dimension (W x D x H): 25 x 25 x 10 inchesNet / Gross weight: 10.6 / 13.5 lbs