Features: *High performance: Duct fan 100 mm, voltage: 220 V/50 Hz-60 Hz, power 40 W, speed 2500 s/min, air volume: 310 m³/h. Based on the aerodynamic design of the fan blades of a jet turbine motor, it provides stronger airflow and reduces noise caused by high air speeds by approximately 30 dB *Adjustable speed: This duct fan comes with a remote control offering two speed settings to adjust the maximum power of the fan. The wireless speed switch has an RF range of up to 25 meters in open areas and up to 15 meters through walls and doors. Battery powered, no wall wiring required for greater convenience *Copper wire motor: The duct fan is heat resistant with a full copper wire motor, providing high airflow, stronger performance and longer lifespan compared to fans of similar power. Fan casing is made of high-quality ABS material, oil and moisture resistant, MTBF up to 30,000 hours. Suitable for operation at air temperatures from -20°C to 60°C *Easy to install: The exhaust fan features a modular design for quick disassembly and easy maintenance, and includes a 1-meter power cable. Multiple mounting options available: ceiling mount, L-bracket or wall mount *Wide range of applications: These duct fans are suitable for use in homes, restaurants, industrial settings and horticulture for ventilation and improved air quality. Moves large volumes of air quietly and efficiently, ideal for offices, schools, bedrooms, kitchens, lofts, basements, grow tents, and similar environments Specifications: *Current: 0.23/0.22 A *Power: 45/48 W *Speed: 2500 s/min *Air volume: 290/310 m³/h *Noise level: 29/30 dB Package Contents: 1 x Exhaust fan, 1 x Remote control, 1 x Instruction manual Note: 1. The actual color of the item may vary slightly from the images shown due to factors such as monitor brightness and lighting conditions. 2. Please allow slight variation due to manual measurement.