Car Driver Sleepy Reminders Anti-Sleep Alarm Drowsy Alarm Sound Keep Awake Anti Sleep for Driver Student Security Guard  Fast Delivery


Features:
Put it behind your right ear, Alerts when the head lower in the degrees of 15° to 20°.
Especially suitable for long-distance driving or night driving.
ON / OFF switch
Driver safety alarm can help prevent accidents caused by driver's sleep when driving.
It is 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
Color:Black
Size :Approx16*9cm
 
Usage Directions:
Wear it on the right ear properly as illustrated
Turn on the switch
Examine whether it is in the normal operation:it beeps when you are leaning your head forward and makes no sound while sitting straight , it is at normal state
Please turn off the swith and put it away when you do not use it
Keep it away from High temperature and damp
 
Package Included:
2 *1PC  Anti-sleep Alarm