FREE: NEW Anti sleep alarm to use while driving
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The listing, NEW Anti sleep alarm to use while driving has ended.
Not sure what color this is...it is sealed in the package and I dont want to open it....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
Works on the study of human body balance
Alerts when the head lowered in the degrees of 15° to 20°
Powered by 1 x LR44 button cell battery (included)
How to use: turn the power on, and wear it on right or left ear. It emitts "Bi-Bi-" alarm when driver tends to fall asleep with his head lowered; there is no sounds emitted when driver keeps normal driving status with eyes looking forward.
NEW Anti sleep alarm to use while driving is in the Other Stuff | Other category