SBONNI 4 Inch Exhaust Fan, Upgraded Two Way Bathroom Exhaust Fan with Remote Control Low Noice Household Ventilation Fans, Window Ceiling Wall Mount Vent Fan for Bathroom Kitchen Garage

Features

• Innovative Exhaust Fan:SBONNI latest model of 4 inch Bathroom Fan with a US patent and FCC certification. Easy installation with the option to secure it in a standard 103mm hole using adhesive or screws. We offer high-quality products, 24/7 customer service, and a 24-month warranty for your bathroom fan purchase, ensuring your peace of mind :)
• Exceptional Two-Way Ventilation Fan: This exhaust fan's bidirectional operation helps balance indoor and outdoor temperatures, enabling both exhaust and intake functions to effectively purify indoor air. The dynamically balanced fan blades ensure smooth operation, quiet performance, high efficiency, extended lifespan, and enhanced safety. It also features a memory function for convenient startup after power outages.
• Superlative Pure Copper Brushless DC Motor: The robust ventilation performance is powered by dual ball bearings and a pure copper core. The motor operates bidirectionally with speeds of up to 2200+1350 RPM in reverse, with a temperature rise of less than 20 K, exhibiting exceptional resistance to both high and low temperatures, long lifespan, and high energy efficiency. It consumes only 0.19 kWh in 24 hours and has a lifespan exceeding 30,000 hours.
• Low Noise and Powerful Household Ventilation Fans: This home improvement bath fan has 2 speed settings, operating at ≤ 28 decibels in quiet mode and ≤ 32 decibels in high-ventilation mode. With a one-touch silent option, it effectively addresses a variety of ventilation needs and can be conveniently installed on walls, ceilings, or windows in bathrooms, kitchens, attics, rooms, basements, garages, and living spaces.
• Advanced Remote Control and PC+ABS Material: Vent fan equipped with a multifunctional wireless 433MHz exclusive signal remote control, allowing seamless control within a 100-meter range. It's IPX4 waterproof rated, crafted from high-hardness, corrosion-resistant PC+ABS materials that are resistant to rust and deformation, requiring minimal maintenance. (Note: Exhaust duct is NOT included.)