Only can find one that starts every 2 hours, runs for 5,10,15,20 minutes.
Checked specs on futureshops website, nothing.
Another one states
"• Automatic cold weather start. You may never experience a dead battery again. The Prostart™ remote control car starter can be programmed to start your car periodically in cold weather. Programmable run times are 5, 15 or 25 minutes."