Marinco Day/Night Solar Vent 4" - White [N20804W] Marine Navigation & Instruments | AIS Systems This transducer has an operating

This transducer has an operating frequency of 50 or 200 kHz and mounts on a 0-25° deadrise angle

Dual-range mode allows you to monitor both long and short ranges

UPC: 010407520575

contoured White pointer and flat glass lens

Marinco Day/Night Solar Vent 4" - White [N20804W] Marine Navigation & Instruments | AIS Systems This transducer has an operatingDay Night Solar Vent 4" White The design threads into included deck plate, and is removable from the outside without tools. On off fan switches, LED lights, and intake exhaust switches are accessible from inside the cabin for ease of use. Features: Circulates fresh air in the boat cabin eliminating mold, mildew, and musty air Moves 1,000 cubic feet of air hour or 24,000 cubic feet of air day (4" model) A rechargeable battery allows for 24 hour