- Card Type: Dual read
- Apparant Card Diameter: 2 3/4"
- Mounting Style: Bracket or arms’ length hand bearing
- Dimensions: 6 7/8"L x 3 3/8"dia.
- Battery Type (70UNE): Two silver-oxide SR44 1.5V
- Battery Life (70UNE): Approx. 20 hours
- Warranty: Five years
The West Advisor
The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.