4 Inch Inline Duct Fan with Humidity Sensor Timer,Temperature Remotee — Open-Box, 10% Off

[6 Speed Control]: 6-speed manual speed control and intelligent automatic on/off. In manual mode, you can select different gears as needed to meet diverse ventilation requirements; in automatic mode, it dynamically adjusts the on/off status based on real-time temperature and humidity. This not only ensures optimal ventilation effects in various scenarios but also further optimizes energy consumption. Equipped with the "SPEED+/-" buttons on the remote control, it allows for convenient gear switching with intuitive and efficient operation.

[Smart Humidity Sensor for AUTO Ventilation]:This innovative exhaust fan is equipped with high-precision humidity and temperature sensors that monitor environmental changes in real time. The fan automatically activates when humidity or temperature exceeds preset values, effectively regulating air quality. Clear digital display for easy monitoring.Perfectly compatible with your grow tent ventilation system, featuring a timer function that eliminates the need for manual monitoring, creating a better environment for your plants and animals.

[Portable Remote Control with Timer & Memory Function]:The built-in timer allows you to set run times from 0-9h50m, saving energy and preventing forgotten shutdowns. The memory function retains your preferred settings after power-off, though the timer must be reset manually each time. (Note: The timer itself does not have memory.)

[High-Efficiency Airflow]: Running at 5000 RPM with six adjustable speeds, this 4 inch inline fan is powered by a pure copper DC motor for exceptional durability and performance. It provides 30% better heat dissipation and 50% lower energy consumption than standard motors. Designed as a duct fan booster for continuous heavy-duty operation, it ensures reliable airflow in both high and low temperature environments.

[Energy-Efficient Low-Noise Fan]: This 4 inch inline exhaust fan delivers airflow up to 310 m³/h (183 cfm) while running quietly at 24 dB. With smart automatic speed control, it adjusts airflow by humidity and temperature for optimal ventilation and up to 30% energy savings. Perfect for grow tents, hydroponic systems, and home use, this inline duct fan 4 inch ensures durable, quiet, and efficient operation.

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