Adopt touch screen switch, high screen digital display design, simple operation, easy installation. Selection of pure copper ball motor, pure copper movement, gap uniformity, reduce motor vibration and noise. Adopt engineering ABS material frame, high temperature resistance, heat dissipation block, not easy to deform. LED 24W lighting, long lasting and bright, no need to install additional lighting. Large displacement ventilation, no need to worry about stuffy and humid, strong ventilation. This exhaust fan is suitable for attic, bathroom, kitchen, windows, basement, garage, office, living room and other places that need ventilation, and it is easy to install on the wall or window