... FEATURE:1) Dual-frequency: 50 and 200 KHz2) 5.6-inch TFT LCD display with 8-color or multi-level amber presentation3 ... 40, 80, 150, 300Pulse-Length(ms) 0.2, 0.2, 0.2, 0.4, 0.8, 1.5, 3.0TX Rate(pulse/min) 600, ... (1) Display Unit12-24 VDC -10%, +30%: 1.0 - 0.6 A3. Environmental Condition(1) Ambient Temperature0°C to + ... ) Display UnitChassis: 2.5GY5/1.5Panel: N3.0 New tone No.5 MARINE FISH FINDER KF-667