Equity by La Crosse 12-volt alarm clock is a steadfast road companion. This handy clock features a snooze button and offers adjustable volume settings, allowing you to set the time between 70 or 90 decibels. Especially ideal for sleeping on the road, this trucker's alarm clock is powered by a handy 12V adapter. You can hear this alarm clock over traffic and the rumbles of rest stops. It is small and super portable, too.