Tecnoseal X20 Shaft Anode - Zinc - 5-1/2" Shaft Diameter [X20] Brand_Shakespeare you can use any device

you can use any device running N2KViewr software to monitor and control your vessel from onboard or ashore

Two battery inputs

BlueChart g3 coastal charts provide industry-leading coverage

Standard Random Orbit

and secondly it gives added protection to the impeller during initial prime

Tecnoseal X20 Shaft Anode - Zinc - 5-1/2" Shaft Diameter [X20] Brand_Shakespeare you can use any deviceShaft Anode Material: Zinc Outer Diameter: 7. 244" Inner Diameter: 5. 50" Height: 3. 504" Weight: 11. 00lbs Holes: 4 Specifications: Material: Zinc Box Dimensions: 4"H x 8"W x 8"L WT: 14. 1 lbs UPC: 8059617816216 Quick Guide (pdf) Owner's Manual (pdf)