LEVOIT Smart 42'' Tower Fan for Bedroom Oscillating Fan with Quiet 26ft/s Velocity 25dB Brushless DC Motor 12 Speeds 4 Modes 24H Timer with APP Works with Alexa Standing Bladeless Fan for Home

1. Illustration of Each Mode Normal Mode:  This is the default mode. Use it to set the tower fan as you like. Turbo Mode:  Used for quick cooling and air circulation it starts at the highest speed 12 plus oscillating. When the room temperature drop 5℉ the fan speed will decrease to 6 then the tower fan will automatically adjust fan speed according to the room temperature. Auto Mode:  With a built-in sensor the fan speeds change by room temperature. Advanced Sleep Mode:  An optimized sleep mode that takes into account the stages before you sleep during sleep and as you wake up. a) After 5 seconds the display will turn off and selection sounds will be disabled. b) After 1 hour the fan speed will decrease as the room temperature stabilizes. c) The Tower fan will begin to automatically adjust the fan speed