Need an ignition interlock device near Milwaukee? Intoxalock is available at Expert Electronics Inc - Milwaukee, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Expert Electronics Inc. proudly serves the Milwaukee area. They specialize in window tint, car audio, remote starts, and mobile video installation. In 2015 Expert Electronics Inc. began installing the Intoxalock ignition interlock device.