Anti-Sleep Alarm  is an innovative, potentially lifesaving anti-drowsiness / tiredness alarm. You just wear behind the right ear it works on the principle of electronic balance.It is worn over the ear and has an electronic position sensor. When your head nods forward, it sounds a loud alarm to instantly wake you and alert your passengers. The alarm vibrates when the internal sensors tilt forward by a certain degree. Not a soft, massage-like vibration, it's more like a "AH! Get this off me!" type that is sure to wake you up. This anti-sleep alarm is not only designed for drivers, it is also perfect for people who need to be fully alert while on duty, for example, security guards, machine operators and even students while studying or where concentration is required.

Specification:
    * Driver safety alarm to help prevent accidents caused by falling asleep at the wheel.
    * Brand new anti-sleep alarm for drivers!
    * Perfect for anyone who needs to keep alert on duty, like drivers, guards, machine operators, and even students
    * Safe for long drive and drive at night.
    * Especially suitable for long-distance driving or night driving
    * It is guardian angel for drivers.
    * Easy to use and comfortable to wear for a long time.
    * Work on the study of human body balance
    * Main Function: Anti Sleep Alarm
    * Alarm mode: Vibration
    * Dimensions: 75 x 22 x 15mm
    * Angle of Protection: 15~ 30
    * Battery: Replaceable button cell battery
    * Life Time: 30,000 nods

Product Notes:
    * 1.There is no vibration when the driver keeps normal driving status with eyes looking forward
    * 2.Ergonomic Design and comfortable feeling rubber
    * 3.Lightweight and fits comfortably behind either ear
    * 4.Easy way to stay awake - no need for caffeine or pharmaceuticals