1) alcohol tester 
most of the people drink alcohol, at special events, bars ro meeting with friends, some of you arrive with your car
Now we want to show you the product that can save lives and in the best case to keep your license,
the alcohol tester measurs with a simple exhalation the amount of the alcohol in your bloos, so if you drink a small abount and tou dont sure you can drice, this product will bring you confident
2) car wifi camera