LifeSafer Ignition Interlock is the leading ignition interlock provider nationwide and home to “No-Call Install”, the first fully online installation booking tool. LifeSafer’s locations are CO certified and our expert technicians at 1401 1/2 W 4th St can handle all your installation and calibration needs. Our alcohol monitoring products and services are specially designed to be discreet and easy to use, helping over 1.5 million people get back on the road with over 30 years of ignition interlock experience. Scheduling and appointment via phone call or on our website is quick and easy and takes only minutes. Let us get you taken care of today with our Guaranteed Same Day Installation!