This intelligent duct fan is made of high-quality PP， which is strong， durable， and not easy to deform. The hybrid design and PWM-controlled EC motor can use precise electronic pulses to make the built-in fan run at low speed without generating excessive heat， saving you a lot of electricity. The controller of this product has temperature and humidity programming， fan speed control， timer， and alarm system and is equipped with precise temperature and humidity sensors on the wired probe for safer and more convenient use.

• Efficient -- Rotating speed 2600RPM， air volume 205CFM， hybrid design and PWM controlled EC motor can use precise electronic pulse to make the built-in fan run at low speed without excessive heat， saving you a lot of power.
• Low Noise -- The noise of this product is 28dB-A， which can create a quiet environment for you.
• Easy To Install -- It can be easily installed on the ceiling via ratchet hooks or cable ties， which is easy to install and saves a lot of time.
• Guaranteed Customer Service -- Our goal is to provide quality products and services. If you have questions， please feel free to contact us. We will reply as soon as possible and solve the problem for you.