Connect the product to your Apple device and then follow the instructions enclosed. The user exhales into the sensor for three to five seconds and the breathalyser will shortly after display an alcohol level test result.
The device can identify other substances such as caffeine and nicotine in order for them not to interfere with the results.
Compatible with iPhone 4/4S.
Compact and portable, the gadget can easily be tucked into a pocket or handbag.