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.

• Powered by AG3 button cell batteries(included).

• 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

• Weight :Approx 14 g

• Size :Approx 5.8*5.3cm

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:

• 1 x Anti-sleep Alarm