Panasonic FV-08VKML3 Whisper White-Lite 80 CFM Ceiling Mounted Ventilation Fan with DC Motor, Variable Speed Controls, Motion Sensor, and Light, White The SmartAction motion sensor automatically activates whenever someone enters or leaves the room ENERGY STAR-qualified products feature super-quiet operation and high CFM-to-Watt efficiency DC motor type Thermal fuse protection 10.5-Inch mounting opening