CM-330 Series are 2nd generation hands-free switches from Camden. We started by designing a switch to provide superior door activation in new and retrofit access control and automatic door applications, and then built in our industry-leading experience in serving thousands of installations. The result is an unprecedented level of easy installation (in any application), rock solid performance (wired and wireless) and years of trouble free service. Hands-free switches providing superior access, simple installation, and options for both wired and wireless performance.