Sonar/Sounder <<
Choice of dual-frequency (50/200 kHz) or single-frequency (200 kHz) Skimmer® transducer with built-in temp sensor
8,000 W peak-to-peak (1,000 W RMS) power
Depth range to 3,000 feet* (915 m) at 50kHz
Temp readings from built-in sensor
Speed/Distance readings with optional sensor
FlashGraf™ LCD flasher+sonar graph with COLORLINE™
Adjustable ping speed automatically engages HyperScroll™ for locating fish targets at higher boat speeds
FasTrack™ vertical flasher bar
Standard sonar features - Advanced Signal Processing (ASP™), COLORLINE™, Advanced Fish Symbol I.D.™, FishTrack™, multi-zoom options, sonar alarms, backup memory, and more

GPS/Mapping <<
20GB hard drive preloaded with tons of electronic charts, including:
  - U.S. coastal areas, including Hawaii & Alaska, plus Great Lakes
  - Over 2,100 U.S. inland bodies of water
  - Topographical USA land-based mapping with street-level detail
  - Over 2 million POIs and an exclusive hunting database
Precision 12-parallel channel GPS+WAAS receiver
1,000 waypoints/1,000 event markers/100 routes/100 waypoints per route
100 savable plot trails/10,000 points per trail
37 map zoom ranges, 0.05–4,000 miles
Two waterproof MMC/SD memory card slots for mapping, recording, and upgrading

Recording <<
Advanced digital recording/playback of sonar graph and GPS details…plus custom map uploading…with industry-standard memory cards (MMC/SD)
Additional capability to record/playback sonar graph and GPS details using the built-in hard drive

Components <<
NMEA 2000® compatible for networking
Audio output for remote speakers
High-impact screen cover
Sealed and waterproof
Full one-year warranty