The IC300 Cabled Intercom provides one-touch communication for your drive-thru. Perfect as a stand-alone communication system or an emergency back-up for your wireless communication system, the IC300 is reliable and affordable. The IC300 Cabled Intercom brings one-touch convenience to your Drivethru operation. An alert tone and vehicle detect light on the keypad let you know when a customer arrives in the drive-thru lane. The touch of a button opens communication to the drive-thru. When the customer drives off, the system is automatically reset.