GPSMap 521 S with Dual Frequency transducer

• dual frequency; depth: 1,500 ft/ 500 m (dual frequency); uses a dual frequency transducer 50 khz (45), 200 khz (10) for maximum saltwater performance.
• patented transom/trolling mount transducer.
• Large, ultra-bright 5" diagonal qvga display; 234 x 320 pixelsmore than 800 nits of brightness
• secure digital card slot for bluechart g2 vision cards, as well as saving waypoints.
• Accessories Included - Li-ion battery NP-95, Battery charger BC-65N, Shoulder strap, USB cable,
• 12MP APS-C CMOS Sensor
• New EXR Processor
• 23mm F2 Single Focal Lens (Equivalent to 35mm/135 Format)
• Hybrid Viewfinder. Lens cap Metal strap clip, Protective cover