The Utilitech easy fit ventilation fan with a humidity sensor is a compact bath ventilation fan with quiet, powerful operation. This fan has a humidity sensor that can detect when humidity is too high in the room, so it will automatically turn on the fan to remove it. The exhaust fan features an Energy Star compliant DC brushless motor reducing power consumption and increasing the fan's life and reliability. A small, simple grill design fits neatly into most bathroom spaces. Humidity sensor turns on fan automatically when humidity in the bathroom reaches 60% and above and fan will turn off once relative humidity reaches below 60% Powerful fan operates at 100 CFM 100 CFM works best in rooms that are 110 square feet 1.5 sones quietly removes moisture and humidity from the room Energy Star compliant DC brushless motor reduces power consumption and is capable of running continuously for 70,000 hours Compact bath ventilation fan with quiet and powerful operation Easy fit installation - the housing directly replaces the most common bath fan housing size, eliminating the need to cut dry wall Small, simple grill design fits neatly into any bathroom UL certified, HVI listed and Energy Star compliant for safety and efficiency Color Temperature (Kelvins): 0 Fixture Color Family: White Fixture Finish: Matte Manufacturer Color/Finish: White Type: Bathroom fan Ceiling Cutout Length (Inches): 7.5 Ceiling Cutout Width (Inches): 7.75 Duct Size: 4-in Fan Box Height (Inches): 8.66 Fan Box Length (Inches): 6.6 Fan Box Width (Inches): 10.39 Grille Length (Inches): 10.75 Recommended Room Size (Sq. Feet): 100 Suggested Room Size: 100-149 sq ft Width of Grille (Inches): 1.25 Air Movement (CFM): 100 Attic Access Needed: No Automatic Shut-Off: Yes Bulb(s) Included: No Decorative: No Duct-Free: No Fan Sound Level (Sones): Moderate (1.5 to 3.0 sones) Fan Speeds: 100 Grille Shape: Rectangular Heat Technology: Yes Hub Required: No Humidity Sensor: Yes Integrated Heater: No Light Options: None Lighted: No Lowe's Exclusive: Yes Motion Sensor: No Mount Location: Ceiling Night Light: No Night Light Maximum Bulb Wattage: 0 No Cut Installation: Yes Number of Lights: 0 Room Light Maximum Bulb Wattage: 0 Roomside Installation: No Sound Level Rating (Sones): 1.5 Speaker Included: No Voice Controlled: No Warranty: Limited lifetime App Compatibility: No Bluetooth Compatibility: No Smart Compatible: No Wi-Fi Compatibility: No Works with Amazon Alexa: No Works with Android: No Works with Apple HomeKit: No Works with iOS: No Works with SmartThings: No Works with the Google Assistant: No CA Residents: Prop 65 Warning(s): Yes ENERGY STAR Certified: Yes HVI Certified: Yes Safety Listing: UL safety listing Title 24 Compliant: No UNSPSC: 40101600