Driver Alert Nap Alarm

The Driver Alert Nap Alarm sleep warning device helps prevent fatigue related automobile accidents. If you start to nod off while you are driving and your head falls forward, the Driver Alert will sound an alert to wake you up before disaster strikes. This lightweight device fits behind your ear comfortably, even if you wear glasses.

Three (3) LR44 button batteries included.

Great car security device for anyone taking long trips or driving at night.