Feature 1、4.3in color LCD display, can offer you a good visual experience when driving. 2、This AIS transponder combo with GPS navigator, more convenient and reliable in practical use. 3、It is a class B AIS transponder for Non-SOLAS vessels, such as pleasurecrafts, work-boats, fishing boats, and other small boats. 4、This special design watching display, can monitor fishing net buoy, friendly ships, etc. 5、External alarm for MOB and collision-threats management, making your driving safer. Features: 4.3in color LCD display, can offer you a good visual experience when driving. This AIS transponder combo with GPS navigator, more convenient and reliable in practical use. It is a class B AIS transponder for Non-SOLAS vessels, such as pleasure crafts, work-boats, fishing boats, and other small boats. This special design watching display, can monitor fishing net buoy, friendly ships, etc. External alarm for MOB and collision-threats management, making your driving safer. AIS Detailed target list and radar overview, more accurate and reliable. Watching display to monitor important subject, like fishing net buoy, friend ship, etc. External alarm (buzzer), with low cost, reduced size and easy installation. Ideal to meet your budgets and demands of owners and vessel operators. GPS 4.3in sunlight viewable color LCD (brightness: 500 cd). GOTO track navigation, support NMEA 0183 ver 2.0 and 7 available display modes, including 2 user-customized modes. Stores up to 10,000 marks/ waypoints, 100 routes and 3,000 track points. With delicate man over board button (MOB) and SBAS capable for better measurement. Specification: Condition: Product Name: AIS Transponder Combo GPS Product Category: GPS Navigator Material: ABS Color: As pictures shown Screen Size: 4.3in Cable Length: Approx.10m/32.8ft Power Cord Length: Approx.1.5m/4.9ft Package List: 1 x Display Unit HP-528 1 x Antenna Unit HA-017( With 10 Meters Cable ) 1 x Power Cord 3 x Accessories 1 x User Manual