PowerStick provides power thru TWO (2) USB power ports and HOLDS your phone securely. Plugs into the navigation light port on the front or back of your boat. Provides the power you need for phone, camera, and all your electronic gear! Power where you want it, right on your boat. IPX6 Waterproof USB: 2.1 fast charging on top and standard 1.0 on bottom. Dead cell phones on your boat are a thing of the past. Power Up with PowerStick!