Magnetic Mount AntennaThis powerful remote antenna magnetically mounts to your vehicle and connects to the Astro 220 so you can track your dogs with Astro while driving.Compatible Devices: Astro Astro 220 Alpha; WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. - cis2:mm5mnJlm -