The gWind Wireless 2 transducer offers an easy-to-install solution that eliminates running wires through masts up to 50'. Accurate wind signals are sent via an ANT connection directly to a GNX Wind instrument or compatible Garmin GPSMAP 8400/8600 series or GPSMAP 7400/7600 series chartplotters. The transducer features renowned Nexus twin-fin technology with a 3-bladed propeller, providing more accurate wind speed and more stable wind angle in lighter wind conditions. Features:• 13.6" x 24"• Meets IPX6 waterproof standards• Temp Range: From 5°F to 158°F (-15°C to 70°C)• Accuracy Angle: Better than +/-1.5°• Wind Speed Range: 0. 8-90 knots (0. 4-50 m/s)• Solar panel mounted on the transducer arm• Internal solar-charged battery lasts 3 years and is easily replacedWhat's in the box:• gWind Wireless 2 transducer• Mast bracket• Mounting hardware• NiMH battery• Documentation Meets IPX6 waterproof standards Remains stable in winds up to 90 knots