Garmin BlueChart g3 Vision HD VAF003R Western Africa microSD SD [010 C0749 00] Electric Bikes Feature Details Correction Levels 6 Model:Parts Dock Box Lids Rough Water RWDB70 Lid Kit (Lid Latch Hinges Shocks HW Model LIDKIT RWDB70 Feature Details Correction Levels 6 Momentary Continuous Correction Continuous only Vibration Correction No Tone Correction Yes (on the dial) Dog Device 5 oz (410 g) with included lithium ion battery pack Battery Type Rechargeable lithium ion (included) Battery Life (GPS Mode) Up to 18 hours Battery Life (10 min Tracking) Up to 18 hours Battery Life (Expedition Mode) Up to 330 hours Battery Life (Expedition 30 min Tracking) Up to 300 hours Waterproof Rating IPX7 MIL STD 810 Yes (thermal Depth Range Shading for up to 10 depth ranges enables you to view your target depth at a glance Please contact the manufacturer directly with any issues or concerns