High performance: 100 mm duct fan with 40 W power, 2800 r/min speed, and 310 m³/h air volume. Designed with jet turbine motor blade technology, it delivers strong airflow while reducing noise levels. Adjustable speed: remote control with two speed settings and RF signal range up to 25 meters in open areas and up to 15 meters through walls. Battery powered, no wiring required. Equipped with a copper wire motor for high airflow, durability, and heat resistance. Fan housing made of high-quality ABS material, resistant to oil and moisture, with MTBF rated up to 30,000 hours. Suitable for operating temperatures from -20°C to 60°C. Easy to install with modular design for quick disassembly and maintenance. Includes 1-meter power cable. Mounting options include ceiling, wall, or L-bracket installation. Ideal for residential, commercial, and industrial ventilation applications including homes, kitchens, basements, offices, schools, greenhouses, and farming tents. Quiet and efficient air movement for improved indoor air quality. Plug type: EU plug, compatible with countries including Germany, France, Spain, Italy, and Indonesia. Voltage: AC 220V. Color: Black. Material: Plastic. Package includes: 1 x exhaust fan. Note: Colors may vary slightly due to lighting and display settings. Measurement tolerance: ±1–3 cm.