Features: -The fan blade is made of integrated punch, which can effectively reduce noise. -Correct dynamic balance, have good balance accuracy, good air efficiency, high efficiency, stable and reliable operation, large air volume. -The wire is made of copper wire, with strong conductive wire, high cost performance, more durable and reliable. -Used for ventilation or heat dissipation in kitchen, living room, supermarket, hotel and other places. Specification: Rated voltage: 220V Input power: 60W Speed: 2800r/min Air volume: 500m³/h Noise: 40db Package Included: 1x Exhaust fan .