Aerosol generation device with adjustable RTD and RTD-based automatic power control

The invention relates to an aerosol generation device. In particular, the invention relates to an aerosol generation device configured for adjusting a resistance-to-draw (RTD) of the device and for controlling a supplied power based on the RTD. A first aspect of the invention is an aerosol generation device comprising an aerosol generation unit for generating aerosol and an adjusting unit comprising a movable member and configured for being set to a setting of a plurality of settings for mechanically adjusting the resistance-to-draw (RTD) through a mouthpiece by moving the movable member. The plurality of settings allows a user to consistently and predictably adjust the RTD of the device as preferred.