New type : LGI / nap alarm /nap zapper /anti sleep alarm / drive alert /anti-drwose alarm2014 updated type , without mercury inside ,chip control , be more health .LGI , PROFESSIONAL FACTORY WHICH PRODUCE THE DRIVE SECURITY PRODUCTS , HAVE THE PATENT IN DRIVE ALERT ,NAP ALARM ,DRIVER FATIGUE ALARM . Have you ever driven a car or truck when you..