1.alarm dip angle:15°-25°

2.rated sound pressure:85db

3.battery:two AG13X3 environmental friendly batteries.

4.Alarm mode: ring
5.Weight:0.14kg/pc

6.product size:6*5.5cm

 

 

 

 

 

Brilliant idea for long distance truck drivers or professional drivers who run the risk of falling asleep behind th wheel. This anti-sleep driving alarm rests behind your ear, if your head tilts forward more than 45 Degrees a high pitched alarm will sound bring you back to alertness. A great safety gadget with amazing low price.

Brand new anti-sleep alarm for drivers or studying!
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