Need an ignition interlock device near Milwaukee? Intoxalock is available at Mister Stereo, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Mister Stereo offers services such as window tinting, auto upholstery, audio and visual installation and custom wheels and tires. They proudly deliver competitive prices to the Milwaukee area. Mister Stereo has been installing the Intoxalock ignition interlock device since 2015.