Raymarine i40 bidata system

Combines the characteristics of the depth sounder and the speed log in a single case, on a double line display. Complete with two transducers. Specifications : Deep anchor alarm 10 to 400 feet. Deep depth alarm 30 to 400 feet. Depth range 0 to 400 feet. Log range 0 to 99999. Power Consumption 35 mA typical. 100 mA with maximum backlighting. Shallow anchor alarm 1 to 250 feet. Shallow depth alarm 0 to 29 feet.Speed range: 0 to 99.9 knots.Trip reading range 0 to 999 nautical miles.