What is the opinion of Reddit about the
Digital Travel Alarm Clock – No Bells, No Whistles, Simple Basic Operation, Loud Alarm, Snooze, Small and Light, ON/Off Switch, 2 AAA Battery Powered, Black?

Battery operated travel alarm clocks usually have an on/off function for the backlight (so it turns on on demand instead of all the time) like this: Digital Travel Alarm Clock – No Bells, No Whistles, Simple Basic Operation, Loud Alarm, Snooze, Small and Light, ON/Off Switch, 2 AAA Battery Powered, Black https://www.amazon.com/dp/B01KYLOVGI/ref=cm_sw_r_cp_api_glt_fabc_8SAE9075Q71Q18WS10V7

If you don’t have a cell phone and are too stupid to figure out a basic clock in the room

Problem solved.

Would you use an analog clock? Here’s one with a button to turn on a backlight when you want.

Here’s a digital one that might work.