... color is selectable from blue, light blue, white and black.(3) Basic RangeMeters: 5/10/20/40/80/150/200/ ... (1000 feet, 150fathoms, 200 passi/braza)(5) Zoom RangeTimes 2, 3, 4 and 5 ranges(6) Bottom Lock Expansion Range5/10meters ... AlarmFish and Bottom alarms, Temperature alarm (sensor required)(15) Input/output dataInputOutputNMEA0183RMC, VTGSDDBT, SDDPT2. Power Supply(1) Display Unit12-24 VDC -10 ...