Clarity and detail are redefined with the Ultra High-Definition scanning sonar system. Using an easy-to-install, networkable GCV 20 sonar black box with an included three-array GT34UHD transducer, now you can get scanning sonar images in ultra high-definition. You see everything below and off to the sides of your boat in amazingly sharp, crisp detail. Specifications• Dimension: 9.9"Ã7.6"Ã2.6" (251 mm à 192 mm à 66 mm)• Weight: 1.86 lbs (845 g)• Water rating: IPX7• Temperature range: From 5°F to 158°F (from -15°C to 70°C)• Compass-safe distance: 10.2 in. (26 cm)• Transmit power: 500 W rms For Use With 800 KHz ClearVü And 1200 KHz SideVü Scanning Modes PX7 Waterproof Rating With GCV 20 Sonar Black Box, GT34UHD-TM Transducer, Transom Mount, Trolling Motor Mount, Right-Angle Power Cable, Right-Angle Ethernet Cable, Mounting Hardware And Documentation | Ultra High-Definition Scanning Sonar System in Black