... Description FEATURE:1) Dual-frequency: 50 and 200 KHz2) 5.6-inch TFT LCD display with 8-color or multi-level amber ... /braza)(5) Zoom RangeTimes 2, 3, 4 and 5 ranges(6) Bottom Lock Expansion Range5/10meters, 10/20feet, 2/5fathoms, 2 ... ) Display Unit 12-24 VDC -10%, +30%: 1.0 - 0.6 A3. Environmental Condition(1) Ambient Temperature0 to + 50(2) Relative ...