"Timer settings" refers to the adjustments or configurations made to a timer device or application to control its duration or behavior. Full definition
It has a latch - on top, different speed settings and timer settings for ice cream, smoothies and hot soup. (willfrolicforfood.com)
I haven't had any problems with mine whatsoever, except for it not keeping the sleep timer setting on the original factory firmware. (blog.the-ebook-reader.com)
This diffuser has a shorter run time than some, but a greater number of timer settings. (geekwrapped.com)