It turns of the device at the entered time, like if u have set my device to power on at 11, without me powering it on, it will automatically power on the device at 11.
many time we sleep phone in hand, youtube/whatsap on , data on ... schedule power on-off - u set time i.e. 23:30 off the phone wil turn off at the set time automatically sometime we forget to on phn in morning busy getting ready to work... n phone goes off til late when u check... then u set auto power on at 6:30 , then without u turn on ur phn it will turn on itself at that time
