We are the very manufacturer and patent holder of Welkin Nap zapper(unti-drowsy alarm) in China.(as a sleepy-overcome worm, unti-drowsy alarm for drivers, unti-myopia for computor workers/electronic game players and college students, gift, miscellaneous,luxury, innovation, new ideas, promotional item, novelty, Zapped (electricuted), Nap Alarm, Hearing Aid Nap Alarm, emergency nap alarm, Drowsy Driving Alarm, Drowzy Driving Ear Alarm). We are now seeking Sole Distributor in your country. The innovative and our patent product is designed to lie on one of ears when head-nodding conditions. It works on the principle of electronic balance. When working, a pleasant awakening sound alerts you when the head nods forward that you should not during the highly wholehearted-needed situation. Wow, so great!! That would be sound reasonable and would decrease the car accidents if using in driving, protect eyes from myopia and vertebra from distortion when facing computer hour after hour especially for the Soho and white collars and so on.