タイトルまたは説明

Nap-zapper (guardian angel for driver), it's a high-tech product that works on the principle of electronic balance, wearing on the driver's car. One a driver feels sleepy during his driving and had his head lean forward, the alarm will beep to arouse the alert of the driver and the passengers. It stimulates the nerve to be exciting and eliminate the sleepy state, thus avoid traffic accident. The alarm is not only designed to keep you woke until you get where you are going, but to alert you to your drowsiness so that you can take corrective actions. Beautiful packing with leather pouch and color gift box or blister packing make it an excellent and economical present for friends, relatives...