OREiN - Illuminate for a Better Life The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Make Life Much Easier with OREiN Humidity Sensing Ventilation Bathroom Fan It also operate when humidity rises rapidly but does not reach the humidity trigger point. When the humidity is lower than 5% of the set humidity, bath fan will continue running for 20 minutes and then stop. Previous page Next page 1 1500lm 5000K 2 1500lm 4000K 3 1500lm 3000K 4 200lm 2200K Provide a Healthy Living for Your Family Previous page Install Size: 11.39 in x 10.42 in x 9 in Next page Duct Diameter: 6 inch; The install size: 11.81" x 11.02" x 9".ON-OFF-ON Circling the switch of the fan to enter the humidity sensing mode( Must occur within 2 seconds)ON-OFF-ON Circling the switch of light to switch the nightlight mode( Must occur within 2 seconds) OREiN Bathroom Fan with Light & Humidity Sensor, 160 CFM, 1.0 Sones NOTE: Please put the light and fan on separate switches, the bath fan includes a light that must to be operated separately with an additional switch or double switch;Powerful 160-CFM blower to provide a safe and comfortable living environment;Built-in 18W 1500lm 3000/4000/5000K LED Light & 200lm 2200K Nightlight;DUCTING - Removable 6 inch metal duct with back draft prevention damper;To prevent the insulation from sliding down the duct, wrap the connections a few times with HVAC tape;NOTE: The Install Size is 11.81 in x 11.02 in. Hold the housing up to the hole to check that your fan fits. If the hole is too small, trace the housing onto the ceiling and then cut the ceiling with a keyhole saw. If the original hole is too big, you’ll need to patch the ceiling. Cut a piece of drywall to make the ceiling hole the right size for your fan. Attach the drywall filler to a larger piece of wood; set it in the hole and drive screws through the ceiling into the wood. The patched areas can be repaired with spackling compound later.Important: An insulated duct will help prevent condensation when the warm air from the bathroom meets the cold duct in the attic. To prevent the insulation from sliding down the duct, wrap the connections a few times with HVAC tape;The deep corrugations of flexible ducting can easily flex into the opening and block the damper. Please use semi-rigid ducting, which is made of aluminum and has very shallow corrugations that allow you to flex it or stretch it.NOTICE: If the light or the fan do not work, please make sure that the cables to the light and fan are properly connected. And this product only works with 120V;That it is common practice in heating and ventilation systems using sheet metal ductwork and fittings or flexible duct work tubing to use duct tape or aluminum tape to ensure air tight seals and improve efficiency. OREiN Bath Fan with Light Humidity Sensing Bath Fan Add to Cart Humidity Sensing Bath Fan Add to Cart Bath Fan with 5000K Light Buying Options Bath Fan with 3CCT Light Buying Options Bath Fan with Speaker Add to Cart Bath Fan with 3CCT Light Buying Options Bath Fan with 3CCT Light Buying Options Customer Reviews 4.4 out of 5 stars 185 3.7 out of 5 stars 64 4.4 out of 5 stars 1,217 4.4 out of 5 stars 1,217 4.4 out of 5 stars 1,217 4.0 out of 5 stars 144 4.1 out of 5 stars 280 Price $189.99$189.99 $160.11$160.11 $90.99$90.99 $119.99$119.99 $219.99$219.99 $84.99$84.99 $89.99$89.99 CFM 160 80/110 100 110 110/160 100 100 Color Temperature 3000K/4000K/5000K 3000K/4000K/5000K 5000K 3000K/4000K/5000K 2700K/4000K/6500K 3000K/4000K/5000K 3000K/4000K/5000K SONE 1.0 0.8/1.0 1.5 2.0 1.0 1.5 1.5 Lumen 1500 1500 1000 1500 1500 1000 1500 Nightlight ✔ ✔ ✘ ✔ ✔ ✔ ✔ Humidity Sensor ✔ ✔ ✘ ✘ ✘ ✘ ✘ Motor AC AC DC DC AC DC DC How to adjust the ceiling hole? If the hole is too small, trace the housing onto the ceiling and then cut the ceiling with a keyhole saw. If the hole is too big, you’ll need to patch the ceiling. Cut a piece of drywall to make the ceiling hole the right size for your fan. The light does not work. Make sure you are using a non-dimmer switch and that the switch contact is good; Make sure that the cables to the light and fan are properly connected. Only works with 120V; Make sure the wire connecting the lampshade to the housing is well inserted. The fan seems louder than it should. Check damper to ensure it is opening & closing properly; Be sure do not have any sharp bends in duct closer than 18 in. to the fan discharge; Use recommended size ducting to reduce fan noise; Be sure the fan is securely attached to ceiling joists. The fan is not clearing the room. Be sure a door or window is slightly ajar or opened to allow airflow; Be sure the fan is vented with the right size duct; The deep corrugations of flexible ducting may easily flex into the opening and block the damper, please use semi-rigid ducting. How to prevent moisture buildup? Avoid venting through a soffit vent or ridge vent. The warm air will exhaust out the duct and enter back into the attic through it; An insulated duct will help prevent condensation when the warm air from the bathroom meets the cold duct in the attic.