Features: High performance: 100 mm duct fan, 220 V/50 Hz-60 Hz, 40 W power, 2500 s/min speed, air volume: 310 m³/h. Designed with fan blades inspired by jet turbine motor technology, it delivers strong airflow and reduces noise caused by high airspeeds by approximately 30 dB. Adjustable speed: This duct fan comes with a remote control offering two speed settings, allowing adjustment of the fan's maximum power. 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 easy installation. Copper wire motor: Equipped with a fully copper wire motor, the duct fan is heat resistant, delivers high airflow, and offers improved durability and performance compared to standard motors. The fan housing is made of high-grade ABS material, resistant to oil and moisture, with an MTBF of up to 30,000 hours. Suitable for operation in ambient temperatures ranging from -20°C to 60°C. Easy to install: The exhaust fan features a modular design for quick disassembly and simple maintenance. Includes a 1-meter power cable. Offers multiple mounting options including ceiling mount, wall mount, or using an L-bracket. Wide range of applications: Ideal for residential, commercial, industrial, and horticultural environments requiring ventilation and improved air quality. Efficiently moves large volumes of air quietly, suitable for use in offices, schools, bedrooms, kitchens, lofts, basements, greenhouses, and farming tents. 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: The actual color of the item may vary slightly from the images shown due to monitor brightness or lighting conditions. Slight variations in measurements may occur due to manual measurement.