Ltuotu Wireless Sonar Portable Fish Finder Sensor Echo Sounder Alarm

1 Display: TN/Anti-UV LCD 2 Backlight: green LED 3 Powered by: X4 AAA batteries (sorry, not incuded) 4 Measurement Units: Feet or meters 5 Sensor Beam Angle: 45 degrees 6 Depth Range Maximum: 328 feet (100 meters) 7 Depth Range Minimum: 2 feet (0.7 meters) 8 Operational Temperature: -4 oF to 158 oF (-20 oC to 70 oC) Carton Size: 34x29x38cm 10pcs/ctn G.W/N.W: 6.8kgs/6.5kg