#DRC15 - This is a starting line "christmas tree" that you can set the alarm, and when it's time to wake up you will hear the idle of a top fuel car, the burnout, then the full pass down the 1/4 mile. It has a 2 1/8" working clock, plus 1" temp gauge & humidity gauge. And yes, the staging lights & tree do work! Does come with battery installed & ready to entertain you. These inexpensive clocks are now here in stock & ready to ship to you.