60*15*19 cm power/air volume/noise: 80W, 1200m³/h, 50db 90*15*19 cm power/air volume/noise: 105W, 1300m³/h, 57db 100*15*19 cm power/air volume/noise: 130W, 1500m³3/h, 58db 120*15*19 cm power/air volume/noise: 160W, 1700m³/h, 58db Wind speed: 9-11m/s Voltage: 220V Frequency: 50/60Hz ★ Installation: Metal back panel, easy to wall mount, small space occupation, firm installation and easy maintenance. ★ Applicable scenarios: supermarkets, shopping malls, hospitals, cold storages, stations, shops, restaurants, factories, leisure environments and other entrances and exits. ★ Product features: high-efficiency motor, low noise and mute, powerful wind wheel, energy-saving and power-saving, adjustable wind direction, two-speed switch, large air volume, metal paint body.