Anti-Drowsy Alarm/ Driver Sleep Alarm/ Student Sleep Alarm/Micro-Sleep Alarm/Driver Fatigue Alarm Z-003/Anti-Sleep Alarm/Quake Alarm (wechat:13510231336)

 Anti-Drowsy Alarm/ Driver Sleep Alarm/ Student Sleep Alarm/Micro-Sleep Alarm/Driver Fatigue Alarm Z-003/Anti-Sleep Alarm/Quake Alarm

Brand new anti-sleep alarm for drivers!
* Perfect for anyone who needs to keep alert on duty, like drivers, guards, machine operators, heavy equipment handlers, night-shift personnel and even students
* Works on the study of human body balance
* Powered by 1 x LR44 button cell battery (included)
* Retail packing