Need an ignition interlock device near Milwaukee? Intoxalock is available at Mister Stereo, an official Intoxalock ignition interlock installation location. 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. We proudly deliver competitive prices to the Milwaukee area. Mister Stereo has been an official Intoxalock ignition interlock installation location since 2015.