Tylza wall-mounted range hood has four adjustable air speeds. A replacement charcoal filter allows the hood to be turned on in ductless mode, and the charcoal filter can be replaced periodically. Tylza Wall Mounted Range Hood has Gesture Control. Move your hand from left to right side will run the 1st fan speed, and again to go with 2nd fan speed, then 3rd and 4th speed, and your 5th hand moving will bring the fan into sleeping. Oppositely, moving your hand from right to left will decrease the fan speed.There is a tip, when using the gesture control function, hand from the right to the left, the wind speed directly from zero to fourth speed. At this time, wave from left to right, the wind speed will change from four to zero. Color: Silver/Stainless Steel.