Signal Whistle 10 Pack Rod Holders & Racks 6 cm) Display resolution 128

6 cm) Display resolution 128 x 160 pixels Display Type 4 level gray LCD c Battery 2 AA batteries (not included) battery life +18 hours Water rating IPX7 High-sensitivity receiver Yes Interface Serial and USB Maps and Memory Waypoints/favorites/locations 1

GHC_GMI20_Flush_Mount_Template

it is recommended for planing hulls made from fiberglass

Battery Terminal Connections/Bullet Connectors

Fitting Type: 3/8 Inch Barbed

Signal Whistle 10 Pack Rod Holders & Racks 6 cm) Display resolution 128The signal whistle's sound can travel further than a human voice and other noises even if the perceived level of volume is similar. Using a whistle requires much less energy than yelling or other means of signaling for rescue in an emergency situation.