Wireless Waterproof Fish Detector For Ice Fishing $ 67.79 Product information: Display size: 4718mm Display mode: segment display Backlight: highlight LED Depth range: 0.8~90m (standard environment) Sonar frequency: 200KHz Sonar radiation angle: 45 degrees Working temperature: -20~50 Working current: 45mA Unit: English system / metric system can be switched Power supply: AAA4 Product size: 197.5*54mm