Garmin AIS 300 Automatic Identification System Receiver<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Compass-safe distance: 15 3/4 in (40 cm)</li><li>IPX7 waterproof rating</li><li>Temperature range: from -4 Degree to 158 Degree (from -20 Degree to 70 Degree)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/413JXEHpr%2BL.jpg" noproxy>